diff --git a/packages/core/client/src/flow/models/data-blocks/form/QuickEditForm.tsx b/packages/core/client/src/flow/models/data-blocks/form/QuickEditForm.tsx
index f3c5ba64ab..41fc8b9fa4 100644
--- a/packages/core/client/src/flow/models/data-blocks/form/QuickEditForm.tsx
+++ b/packages/core/client/src/flow/models/data-blocks/form/QuickEditForm.tsx
@@ -162,8 +162,7 @@ QuickEditForm.registerFlow({
         }
         const collectionField = ctx.model.collection.getField(fieldPath) as CollectionField;
         if (collectionField) {
-          const FieldModels = collectionField.getSubclassesOf('EditableFieldModel');
-          const use = FieldModels.keys().next().value || 'EditableFieldModel';
+          const use = collectionField.getFirstSubclassNameOf('EditableFieldModel') || 'EditableFieldModel';
           ctx.model.addSubModel('fields', {
             use,
             stepParams: {
diff --git a/packages/core/flow-engine/src/data-source/index.ts b/packages/core/flow-engine/src/data-source/index.ts
index 951e3ef360..580887ea1b 100644
--- a/packages/core/flow-engine/src/data-source/index.ts
+++ b/packages/core/flow-engine/src/data-source/index.ts
@@ -461,6 +461,11 @@ export class CollectionField {
       return isFieldInterfaceMatch(M['supportedFieldInterfaces'], this.interface);
     });
   }
+
+  getFirstSubclassNameOf(baseClass: string) {
+    const subclasses = this.getSubclassesOf(baseClass);
+    return subclasses.keys().next().value;
+  }
 }
 
 /**