diff --git a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/run/JetRunConfiguration.java b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/run/JetRunConfiguration.kt
similarity index 100%
rename from idea/idea-jvm/src/org/jetbrains/kotlin/idea/run/JetRunConfiguration.java
rename to idea/idea-jvm/src/org/jetbrains/kotlin/idea/run/JetRunConfiguration.kt