diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/ui/JetChangeSignatureDialog.java b/idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/ui/JetChangeSignatureDialog.kt
similarity index 100%
rename from idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/ui/JetChangeSignatureDialog.java
rename to idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/ui/JetChangeSignatureDialog.kt