diff --git a/lib/src/model/model_element.dart b/lib/src/model/model_element.dart
index 07fd419543..3462400941 100644
--- a/lib/src/model/model_element.dart
+++ b/lib/src/model/model_element.dart
@@ -725,7 +725,7 @@ abstract class ModelElement
       _parameterRenderer.renderLinkedParams(parameters, showMetadata: false);
 
   @override
-  String get name => element.lookupName!;
+  String get name => element.lookupName ?? '';
 
   @override
   String get oneLineDoc => elementDocumentation.asOneLiner;