diff --git a/source/_patterns/01-elements/radio/radio.hbs b/source/_patterns/01-elements/radio/radio.hbs
index 77ef49b01d..71c7f6aa68 100644
--- a/source/_patterns/01-elements/radio/radio.hbs
+++ b/source/_patterns/01-elements/radio/radio.hbs
@@ -1,2 +1,9 @@
-<input type="radio" class="elm-radio {{ styleModifier }}"{{#if name}} name="{{ name }}"{{/if }} id="{{ id }}"{{#if checked}} checked{{/if }}{{#if disabled}} disabled{{/if }} value="{{ value }}"{{#if describedbyid }} aria-describedby="{{ describedbyid }}"{{/if }}>
+<input type="radio"
+	class="elm-radio {{ styleModifier }}"{{#if name}} name="{{ name }}"{{/if }}
+	id="{{ id }}"
+	{{#if checked}} checked{{/if }}
+	{{#if disabled}} disabled{{/if }}
+	value="{{ value }}"
+	{{#if describedbyid }} aria-describedby="{{ describedbyid }}"{{/if }}
+	{{#if invalid}}aria-invalid="true"{{/if }}>
 <label class="elm-label" for="{{ id }}">{{ label }}</label>
diff --git a/source/_patterns/01-elements/radio/radio~disabled-checked.json b/source/_patterns/01-elements/radio/radio~disabled-checked.json
index 87b12da129..a062e3978e 100644
--- a/source/_patterns/01-elements/radio/radio~disabled-checked.json
+++ b/source/_patterns/01-elements/radio/radio~disabled-checked.json
@@ -1,5 +1,5 @@
 {
-	"id": "radio06",
+	"id": "radio04",
 	"checked": true,
 	"disabled": true
 }
diff --git a/source/_patterns/01-elements/radio/radio~disabled.json b/source/_patterns/01-elements/radio/radio~disabled.json
index 41edd6430b..b503f8b96a 100644
--- a/source/_patterns/01-elements/radio/radio~disabled.json
+++ b/source/_patterns/01-elements/radio/radio~disabled.json
@@ -1,4 +1,4 @@
 {
-	"id": "radio05",
+	"id": "radio03",
 	"disabled": true
 }
diff --git a/source/_patterns/01-elements/radio/radio~invalid.json b/source/_patterns/01-elements/radio/radio~invalid.json
new file mode 100644
index 0000000000..f5e594bc0b
--- /dev/null
+++ b/source/_patterns/01-elements/radio/radio~invalid.json
@@ -0,0 +1,4 @@
+{
+	"id": "radio05",
+	"invalid": true
+}