diff --git a/platform/platform-impl/src/com/intellij/openapi/ui/impl/GlassPaneDialogWrapperPeer.java b/platform/platform-impl/src/com/intellij/openapi/ui/impl/GlassPaneDialogWrapperPeer.java
index c9f1f5c6ef0e..b5eca8b1f0e4 100644
--- a/platform/platform-impl/src/com/intellij/openapi/ui/impl/GlassPaneDialogWrapperPeer.java
+++ b/platform/platform-impl/src/com/intellij/openapi/ui/impl/GlassPaneDialogWrapperPeer.java
@@ -220,11 +220,11 @@ public class GlassPaneDialogWrapperPeer extends DialogWrapperPeer implements Foc
   }
 
   public boolean isVisible() {
-    return myDialog.isVisible();
+    return myDialog != null && myDialog.isVisible();
   }
 
   public boolean isShowing() {
-    return myDialog.isShowing();
+    return myDialog != null && myDialog.isShowing();
   }
 
   public void setSize(final int width, final int height) {