diff --git a/idea/src/org/jetbrains/kotlin/idea/compiler/configuration/KotlinCompilerConfigurableTab.java b/idea/src/org/jetbrains/kotlin/idea/compiler/configuration/KotlinCompilerConfigurableTab.java
index 0ee9409d888..0a959fdcc46 100644
--- a/idea/src/org/jetbrains/kotlin/idea/compiler/configuration/KotlinCompilerConfigurableTab.java
+++ b/idea/src/org/jetbrains/kotlin/idea/compiler/configuration/KotlinCompilerConfigurableTab.java
@@ -245,7 +245,8 @@ public class KotlinCompilerConfigurableTab implements SearchableConfigurable, Co
     }
 
     @NotNull
-    private static String getModuleKindDescription(@NotNull String moduleKind) {
+    private static String getModuleKindDescription(@Nullable String moduleKind) {
+        if (moduleKind == null) return "";
         String result = moduleKindDescriptions.get(moduleKind);
         assert result != null : "Module kind " + moduleKind + " was not added to combobox, therefore it should not be here";
         return result;