diff --git a/platform/testRunner/src/com/intellij/execution/testframework/TestTreeView.java b/platform/testRunner/src/com/intellij/execution/testframework/TestTreeView.java
index 7491384e6224..23dc693799fc 100644
--- a/platform/testRunner/src/com/intellij/execution/testframework/TestTreeView.java
+++ b/platform/testRunner/src/com/intellij/execution/testframework/TestTreeView.java
@@ -27,6 +27,7 @@ import com.intellij.ide.actions.CopyReferenceAction;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.actionSystem.*;
 import com.intellij.openapi.ide.CopyPasteManager;
+import com.intellij.openapi.project.IndexNotReadyException;
 import com.intellij.openapi.ui.GraphicsConfig;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.psi.PsiElement;
@@ -144,7 +145,12 @@ public abstract class TestTreeView extends Tree implements DataProvider, CopyPro
     if (selectionPath == null) return null;
     final AbstractTestProxy testProxy = getSelectedTest(selectionPath);
     if (testProxy == null) return null;
-    return TestsUIUtil.getData(testProxy, dataId, myModel);
+    try {
+      return TestsUIUtil.getData(testProxy, dataId, myModel);
+    }
+    catch (IndexNotReadyException ignore) {
+      return null;
+    }
   }
 
   @Override