diff --git a/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinScriptAction.kt b/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinScriptAction.kt
index bf4c94d9408..648b5d32164 100644
--- a/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinScriptAction.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/actions/NewKotlinScriptAction.kt
@@ -58,5 +58,5 @@ open class NewKotlinScriptAction(
 
     override fun hashCode(): Int = 0
 
-    override fun equals(other: Any?): Boolean = this::class.isInstance(other)
+    override fun equals(other: Any?): Boolean = this::class == other?.let { it::class }
 }
\ No newline at end of file