diff --git a/compiler/psi/src/org/jetbrains/kotlin/script/KotlinScriptDefinitionProvider.kt b/compiler/psi/src/org/jetbrains/kotlin/script/KotlinScriptDefinitionProvider.kt
index 293af3416fb..0a729ed1a9b 100644
--- a/compiler/psi/src/org/jetbrains/kotlin/script/KotlinScriptDefinitionProvider.kt
+++ b/compiler/psi/src/org/jetbrains/kotlin/script/KotlinScriptDefinitionProvider.kt
@@ -46,7 +46,7 @@ fun findScriptDefinition(file: VirtualFile, project: Project): KotlinScriptDefin
     if (file.isDirectory ||
         file.extension == KotlinFileType.EXTENSION ||
         file.extension == JavaClassFileType.INSTANCE.defaultExtension ||
-        !FileTypeRegistry.getInstance().isFileOfType(file, KotlinFileType.INSTANCE)
+        FileTypeRegistry.getInstance().getFileTypeByFileName(file.name) != KotlinFileType.INSTANCE
     ) {
         return null
     }