diff --git a/addons/docs/src/lib/docgen/extractDocgenProps.ts b/addons/docs/src/lib/docgen/extractDocgenProps.ts
index 39af9353d055..b5e68f511608 100644
--- a/addons/docs/src/lib/docgen/extractDocgenProps.ts
+++ b/addons/docs/src/lib/docgen/extractDocgenProps.ts
@@ -76,6 +76,6 @@ function extractProp(
   return null;
 }
 
-export function extractComponentDescription(component: Component): string {
-  return getDocgenDescription(component);
+export function extractComponentDescription(component?: Component): string {
+  return !isNil(component) && getDocgenDescription(component);
 }