diff --git a/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java b/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java
index a4fbf29eccce..33e6e09a3dba 100644
--- a/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java
+++ b/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java
@@ -68,6 +68,11 @@ class UsageViewTreeCellRenderer extends ColoredTreeCellRenderer {
 
       if (userObject instanceof UsageTarget) {
         UsageTarget usageTarget = (UsageTarget)userObject;
+        if (!usageTarget.isValid()) {
+          append(UsageViewBundle.message("node.invalid"), ourInvalidAttributes);
+          return;
+        }
+
         final ItemPresentation presentation = usageTarget.getPresentation();
         LOG.assertTrue(presentation != null);
         if (showAsReadOnly) {