diff --git a/platform/platform-api/src/com/intellij/openapi/wm/WindowInfo.java b/platform/platform-api/src/com/intellij/openapi/wm/WindowInfo.kt
similarity index 100%
rename from platform/platform-api/src/com/intellij/openapi/wm/WindowInfo.java
rename to platform/platform-api/src/com/intellij/openapi/wm/WindowInfo.kt