diff --git a/platform/analysis-api/src/com/intellij/codeInspection/InspectionEP.java b/platform/analysis-api/src/com/intellij/codeInspection/InspectionEP.java
index 20972dbc886b..9b794fe44f79 100644
--- a/platform/analysis-api/src/com/intellij/codeInspection/InspectionEP.java
+++ b/platform/analysis-api/src/com/intellij/codeInspection/InspectionEP.java
@@ -130,9 +130,12 @@ public class InspectionEP extends LanguageExtensionPoint implements InspectionPr
   public boolean hasStaticDescription;
 
   @Nullable
-  private String getLocalizedString(String bundleName, @NotNull String key) {
+  private String getLocalizedString(String bundleName, String key) {
     final String baseName = bundleName != null ? bundleName : bundle == null ? ((IdeaPluginDescriptor)myPluginDescriptor).getResourceBundleBaseName() : bundle;
-    if (baseName == null) {
+    if (baseName == null || key == null) {
+      if (bundleName != null) {
+        LOG.warn(implementationClass);
+      }
       return null;
     }
     final ResourceBundle resourceBundle = AbstractBundle.getResourceBundle(baseName, myPluginDescriptor.getPluginClassLoader());