diff --git a/src/OpenApiType.php b/src/OpenApiType.php
index e0f3217..dd34b01 100644
--- a/src/OpenApiType.php
+++ b/src/OpenApiType.php
@@ -307,7 +307,9 @@ private static function resolveIdentifier(string $context, array $definitions, s
 			"positive-int" => new OpenApiType(type: "integer", format: "int64", minimum: 1),
 			"negative-int" => new OpenApiType(type: "integer", format: "int64", maximum: -1),
 			"non-positive-int" => new OpenApiType(type: "integer", format: "int64", maximum: 0),
-			"bool", "boolean", "true", "false" => new OpenApiType(type: "boolean"),
+			"bool", "boolean" => new OpenApiType(type: "boolean"),
+			"true" => new OpenApiType(type: "boolean", enum: [true]),
+			"false" => new OpenApiType(type: "boolean", enum: [false]),
 			"double" => new OpenApiType(type: "number", format: "double"),
 			"float" => new OpenApiType(type: "number", format: "float"),
 			"mixed", "empty", "array" => new OpenApiType(type: "object"),
diff --git a/tests/appinfo/routes.php b/tests/appinfo/routes.php
index 66638f0..731547d 100644
--- a/tests/appinfo/routes.php
+++ b/tests/appinfo/routes.php
@@ -42,7 +42,8 @@
 		['name' => 'Settings#intParameterWithMinAndMax', 'url' => '/api/{apiVersion}/min-max', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
 		['name' => 'Settings#intParameterWithMin', 'url' => '/api/{apiVersion}/min', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
 		['name' => 'Settings#intParameterWithMax', 'url' => '/api/{apiVersion}/max', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
-		['name' => 'Settings#listOfIntStringAndBool', 'url' => '/api/{apiVersion}/mixed-list', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
+		['name' => 'Settings#listOfIntStringAndOneBool', 'url' => '/api/{apiVersion}/mixed-list-one', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
+		['name' => 'Settings#listOfIntStringAndAllBools', 'url' => '/api/{apiVersion}/mixed-list-all', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
 		['name' => 'Settings#booleanParameterRequired', 'url' => '/api/{apiVersion}/boolean', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
 		['name' => 'Settings#booleanParameterDefaultFalse', 'url' => '/api/{apiVersion}/boolean-false', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
 		['name' => 'Settings#booleanParameterDefaultTrue', 'url' => '/api/{apiVersion}/boolean-true', 'verb' => 'POST', 'requirements' => ['apiVersion' => '(v2)']],
diff --git a/tests/lib/Controller/SettingsController.php b/tests/lib/Controller/SettingsController.php
index acd82aa..c70a299 100644
--- a/tests/lib/Controller/SettingsController.php
+++ b/tests/lib/Controller/SettingsController.php
@@ -218,7 +218,19 @@ public function intParameterWithMax(int $limit): DataResponse {
 	 *
 	 * 200: Admin settings updated
 	 */
-	public function listOfIntStringAndBool($weird): DataResponse {
+	public function listOfIntStringAndOneBool($weird): DataResponse {
+		return new DataResponse();
+	}
+
+	/**
+	 * A route with a list of 2 integers, 2 strings and 1 boolean
+	 *
+	 * @param 0|1|'yes'|'no'|true|false $weird Weird list
+	 * @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
+	 *
+	 * 200: Admin settings updated
+	 */
+	public function listOfIntStringAndAllBools($weird): DataResponse {
 		return new DataResponse();
 	}
 
@@ -237,7 +249,7 @@ public function booleanParameterRequired(bool $yesOrNo): DataResponse {
 	/**
 	 * A route with boolean defaulting to false
 	 *
-	 * @param bool $yesOrNo Booleandefaulting to false
+	 * @param bool $yesOrNo Boolean defaulting to false
 	 * @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
 	 *
 	 * 200: Admin settings updated
@@ -249,7 +261,7 @@ public function booleanParameterDefaultFalse(bool $yesOrNo = false): DataRespons
 	/**
 	 * A route with boolean defaulting to true
 	 *
-	 * @param bool $yesOrNo Booleandefaulting to true
+	 * @param bool $yesOrNo Boolean defaulting to true
 	 * @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
 	 *
 	 * 200: Admin settings updated
diff --git a/tests/openapi.json b/tests/openapi.json
index f0acb00..f8a06f6 100644
--- a/tests/openapi.json
+++ b/tests/openapi.json
@@ -1273,9 +1273,9 @@
                 }
             }
         },
-        "/ocs/v2.php/apps/notifications/api/{apiVersion}/mixed-list": {
+        "/ocs/v2.php/apps/notifications/api/{apiVersion}/mixed-list-one": {
             "post": {
-                "operationId": "settings-list-of-int-string-and-bool",
+                "operationId": "settings-list-of-int-string-and-one-bool",
                 "summary": "A route with a list of 2 integers, 2 strings and 1 boolean",
                 "description": "This endpoint requires admin access",
                 "tags": [
@@ -1298,8 +1298,107 @@
                         "schema": {
                             "oneOf": [
                                 {
-                                    "type": "boolean"
+                                    "type": "integer",
+                                    "enum": [
+                                        0,
+                                        1
+                                    ]
                                 },
+                                {
+                                    "type": "string",
+                                    "enum": [
+                                        "yes",
+                                        "no"
+                                    ]
+                                },
+                                {
+                                    "type": "boolean",
+                                    "enum": [
+                                        true
+                                    ]
+                                }
+                            ]
+                        }
+                    },
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v2"
+                            ],
+                            "default": "v2"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Admin settings updated",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "/ocs/v2.php/apps/notifications/api/{apiVersion}/mixed-list-all": {
+            "post": {
+                "operationId": "settings-list-of-int-string-and-all-bools",
+                "summary": "A route with a list of 2 integers, 2 strings and 1 boolean",
+                "description": "This endpoint requires admin access",
+                "tags": [
+                    "settings"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "weird",
+                        "in": "query",
+                        "description": "Weird list",
+                        "required": true,
+                        "schema": {
+                            "oneOf": [
                                 {
                                     "type": "integer",
                                     "enum": [
@@ -1313,6 +1412,13 @@
                                         "yes",
                                         "no"
                                     ]
+                                },
+                                {
+                                    "type": "boolean",
+                                    "enum": [
+                                        true,
+                                        false
+                                    ]
                                 }
                             ]
                         }
@@ -1477,7 +1583,7 @@
                     {
                         "name": "yesOrNo",
                         "in": "query",
-                        "description": "Booleandefaulting to false",
+                        "description": "Boolean defaulting to false",
                         "schema": {
                             "type": "integer",
                             "default": 0,
@@ -1562,7 +1668,7 @@
                     {
                         "name": "yesOrNo",
                         "in": "query",
-                        "description": "Booleandefaulting to true",
+                        "description": "Boolean defaulting to true",
                         "schema": {
                             "type": "integer",
                             "default": 1,