diff --git a/platform/platform-api/src/com/intellij/notification/Notification.java b/platform/platform-api/src/com/intellij/notification/Notification.java
index f8e4827da41a..914e7659fd81 100644
--- a/platform/platform-api/src/com/intellij/notification/Notification.java
+++ b/platform/platform-api/src/com/intellij/notification/Notification.java
@@ -65,7 +65,7 @@ public class Notification {
 
   @NotNull
   public String getContent() {
-    LOG.assertTrue(myContent.trim().length() > 0, "Notification should have content!");
+    LOG.assertTrue(myContent.trim().length() > 0, "Notification should have content, groupId: " + myGroupId);
     return myContent;
   }