diff --git a/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt b/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt
index aeaee915e2de..2f8678478e73 100644
--- a/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt
+++ b/platform/testGuiFramework/src/com/intellij/testGuiFramework/generators/Generators.kt
@@ -391,7 +391,7 @@ class ActionMenuItemGenerator : ComponentCodeGenerator<ActionMenuItem> {
 
 class WelcomeFrameGenerator : GlobalContextCodeGenerator<FlatWelcomeFrame>() {
   override fun priority() = 1
-  override fun accept(cmp: Component) = (cmp as JComponent).rootPane.parent is FlatWelcomeFrame
+  override fun accept(cmp: Component) = cmp is JComponent && cmp.rootPane.parent is FlatWelcomeFrame
   override fun generate(cmp: FlatWelcomeFrame): String {
     return "welcomeFrame {"
   }