diff --git a/core/util.runtime/src/org/jetbrains/kotlin/utils/Printer.java b/core/util.runtime/src/org/jetbrains/kotlin/utils/Printer.kt
similarity index 100%
rename from core/util.runtime/src/org/jetbrains/kotlin/utils/Printer.java
rename to core/util.runtime/src/org/jetbrains/kotlin/utils/Printer.kt