diff --git a/idea/src/org/jetbrains/jet/plugin/JetFileFactory.java b/idea/src/org/jetbrains/jet/plugin/JetFileFactory.java
index 4e621a10708..709364f0666 100644
--- a/idea/src/org/jetbrains/jet/plugin/JetFileFactory.java
+++ b/idea/src/org/jetbrains/jet/plugin/JetFileFactory.java
@@ -10,6 +10,6 @@ import org.jetbrains.annotations.NotNull;
 public class JetFileFactory extends FileTypeFactory {
     @Override
     public void createFileTypes(@NotNull FileTypeConsumer consumer) {
-        consumer.consume(JetFileType.INSTANCE, "jet;jetl;jets");
+        consumer.consume(JetFileType.INSTANCE, "jet;jetl;jets;kt");
     }
 }