diff --git a/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt b/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt
index fa52c449d3be..1daac66e5d13 100644
--- a/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt
+++ b/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt
@@ -103,7 +103,8 @@ class ComponentWithBrowseButtonGenerator : ComponentCodeGenerator<FixedSizeButto
   }
 
   override fun generate(cmp: FixedSizeButton, me: MouseEvent, cp: Point): String {
-    val className = cmp.parent.parent.javaClass.simpleName
+    var className = cmp.parent.parent.javaClass.simpleName
+    if (className.isEmpty()) className = cmp.parent.parent.javaClass.genericSuperclass.typeName
     return "componentWithBrowseButton($className::class.java).clickButton()"
   }
 }