diff --git a/idea/src/org/jetbrains/jet/plugin/highlighter/DeclarationHintSupport.java b/idea/src/org/jetbrains/jet/plugin/highlighter/DeclarationHintSupport.java
index ee2fbc28d27..19da90db0cb 100644
--- a/idea/src/org/jetbrains/jet/plugin/highlighter/DeclarationHintSupport.java
+++ b/idea/src/org/jetbrains/jet/plugin/highlighter/DeclarationHintSupport.java
@@ -81,6 +81,10 @@ public class DeclarationHintSupport extends AbstractProjectComponent {
 
         @Override
         public void mouseMoved(final EditorMouseEvent e) {
+            if (DumbService.getInstance(myProject).isDumb() || !myProject.isInitialized()) {
+                return;
+            }
+
             if (e.isConsumed() || e.getArea() != EditorMouseEventArea.EDITING_AREA) {
                 return;
             }
@@ -91,10 +95,6 @@ public class DeclarationHintSupport extends AbstractProjectComponent {
                 return;
             }
 
-            if (DumbService.getInstance(psiFile.getProject()).isDumb()) {
-                return;
-            }
-
             final JetFile jetFile = (JetFile) psiFile;
 
             int offset = editor.logicalPositionToOffset(editor.xyToLogicalPosition(e.getMouseEvent().getPoint()));