diff --git a/packages/block-editor/src/components/url-input/index.js b/packages/block-editor/src/components/url-input/index.js
index 9867391d33150..09fdbaa5ec2d6 100644
--- a/packages/block-editor/src/components/url-input/index.js
+++ b/packages/block-editor/src/components/url-input/index.js
@@ -213,7 +213,7 @@ class URLInput extends Component {
 			}
 		}
 
-		if ( isFunction( this.props.onKeyDown ) ) {
+		if ( this.props.onKeyDown ) {
 			this.props.onKeyDown( event, suggestion );
 		}
 	}