diff --git a/packages/editor-ui/src/components/DataDisplay.vue b/packages/editor-ui/src/components/DataDisplay.vue
index 58a7849e04..c694173540 100644
--- a/packages/editor-ui/src/components/DataDisplay.vue
+++ b/packages/editor-ui/src/components/DataDisplay.vue
@@ -66,6 +66,10 @@ export default Vue.extend({
 	},
 	computed: {
 		documentationUrl (): string {
+			if (!this.nodeType) {
+				return '';
+			}
+
 			if (this.nodeType.documentationUrl && this.nodeType.documentationUrl.startsWith('http')) {
 				return this.nodeType.documentationUrl;
 			}