diff --git a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/configuration/KotlinProjectConfigurator.kt b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/configuration/KotlinProjectConfigurator.kt
index cdf3f00193b..887d5e30939 100644
--- a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/configuration/KotlinProjectConfigurator.kt
+++ b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/configuration/KotlinProjectConfigurator.kt
@@ -58,6 +58,7 @@ interface KotlinProjectConfigurator {
 
     New clients are encouraged to override both methods
      */
+    @JvmDefault
     val targetPlatform: TargetPlatform
         get() = @Suppress("DEPRECATION_ERROR") getTargetPlatform().toNewPlatform()