diff --git a/packages/editor/src/components/rich-text/index.js b/packages/editor/src/components/rich-text/index.js
index 1d6c353448d9ef..724c9f26e30e61 100644
--- a/packages/editor/src/components/rich-text/index.js
+++ b/packages/editor/src/components/rich-text/index.js
@@ -366,7 +366,7 @@ export class RichText extends Component {
 			return;
 		}
 
-		if ( event ) {
+		if ( event && event.nativeEvent.inputType ) {
 			const { inputType } = event.nativeEvent;
 
 			// The browser formatted something or tried to insert HTML.