diff --git a/.github/workflows/test-repositories.yml b/.github/workflows/test-repositories.yml
new file mode 100644
index 0000000..7a52599
--- /dev/null
+++ b/.github/workflows/test-repositories.yml
@@ -0,0 +1,91 @@
+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+
+name: Generate OpenAPI in Repositories
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - master
+      - stable*
+
+permissions:
+  contents: read
+
+concurrency:
+  group: openapi-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  openapi-repositories:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-versions: [ "8.1" ]
+        repositories: [ "nextcloud/server", "nextcloud/spreed" ]
+
+    name: openapi-repositories
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+
+      - name: Set up php ${{ matrix.php-versions }}
+        uses: shivammathur/setup-php@4bd44f22a98a19e0950cbad5f31095157cc9621b # v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Checkout repository for testing
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+        with:
+          repository: ${{ matrix.repositories }}
+          path: temp-repository
+
+      - name: Install dependencies
+        run: composer i
+
+      - name: Generate OpenAPI
+        if: matrix.repositories != 'nextcloud/server'
+        working-directory: temp-repository/
+        run: ../generate-spec
+
+      - name: Generate OpenAPI - Core
+        if: matrix.repositories == 'nextcloud/server'
+        working-directory: temp-repository/
+        run: ../generate-spec 'core' 'core/openapi.json'
+
+      - name: Generate OpenAPI - Server apps
+        if: matrix.repositories == 'nextcloud/server'
+        working-directory: temp-repository/
+        run: |
+          for path in apps/*/openapi.json; do
+            ../generate-spec "$(dirname "$path")" "$path" || exit 1
+          done
+
+      - name: Show changes of the API for assistance
+        working-directory: temp-repository/
+        run: |
+            git status
+            git --no-pager diff
+
+  summary:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest
+    needs: openapi-repositories
+
+    if: always()
+
+    name: openapi-repositories-summary
+
+    steps:
+      - name: Summary status
+        run: if ${{ needs.openapi-repositories.result != 'success' && needs.openapi-repositories.result != 'skipped' }}; then exit 1; fi
diff --git a/src/OpenApiType.php b/src/OpenApiType.php
index fafe236..39fcbf9 100644
--- a/src/OpenApiType.php
+++ b/src/OpenApiType.php
@@ -68,13 +68,25 @@ public function toArray(string $openapiVersion, bool $isParameter = false): arra
 				] : [],
 			);
 		}
+
+		$type = $this->type;
+		$defaultValue = $this->defaultValue;
+		$enum = $this->enum;
+		if ($isParameter && $type == "boolean") {
+			$type = "integer";
+			$enum = [0, 1];
+			if ($this->hasDefaultValue) {
+				$defaultValue = $defaultValue === true ? 1 : 0;
+			}
+		}
+
 		$values = array_merge(
 			$this->ref != null ? ["\$ref" => $this->ref] : [],
-			$this->type != null ? ["type" => $isParameter && $this->type == "boolean" ? "integer" : $this->type] : [],
+			$type != null ? ["type" => $type] : [],
 			$this->format != null ? ["format" => $this->format] : [],
 			$this->nullable ? ["nullable" => true] : [],
-			$this->hasDefaultValue && $this->defaultValue !== null ? ["default" => $isParameter && $this->type == "boolean" ? $this->defaultValue === true ? 1 : 0 : $this->defaultValue] : [],
-			$this->enum != null ? ["enum" => $this->enum] : [],
+			$this->hasDefaultValue && $defaultValue !== null ? ["default" => $defaultValue] : [],
+			$enum != null ? ["enum" => $enum] : [],
 			$this->description != null && $this->description != "" && !$isParameter ? ["description" => $this->description] : [],
 			$this->items != null ? ["items" => $this->items->toArray($openapiVersion)] : [],
 			$this->minLength !== null ? ["minLength" => $this->minLength] : [],
@@ -185,7 +197,7 @@ public static function resolve(string $context, array $definitions, ParamTagValu
 			$values = [];
 			/** @var ConstTypeNode $type */
 			foreach ($node->types as $type) {
-				$values[] = (int) $type->constExpr->value;
+				$values[] = (int)$type->constExpr->value;
 			}
 
 			if (count(array_filter($values, fn (string $value) => $value == '')) > 0) {
@@ -250,7 +262,7 @@ enum: [$node->constExpr->value],
 			return new OpenApiType(
 				type: "integer",
 				format: "int64",
-				enum: [(int) $node->constExpr->value],
+				enum: [(int)$node->constExpr->value],
 			);
 		}