diff --git a/js/js.inliner/src/org/jetbrains/kotlin/js/inline/FunctionInlineMutator.java b/js/js.inliner/src/org/jetbrains/kotlin/js/inline/FunctionInlineMutator.kt
similarity index 100%
rename from js/js.inliner/src/org/jetbrains/kotlin/js/inline/FunctionInlineMutator.java
rename to js/js.inliner/src/org/jetbrains/kotlin/js/inline/FunctionInlineMutator.kt