diff --git a/core/java/android/app/Dialog.java b/core/java/android/app/Dialog.java
index b162cb1..2eabd86 100644
--- a/core/java/android/app/Dialog.java
+++ b/core/java/android/app/Dialog.java
@@ -291,7 +291,10 @@
                 if (mWindow.hasFeature(Window.FEATURE_ACTION_BAR)) {
                     mWindow.invalidatePanelMenu(Window.FEATURE_ACTION_BAR);
                 }
-                mDecor.setVisibility(View.VISIBLE);
+                if (mDecor.getVisibility() != View.VISIBLE) {
+                    mDecor.setVisibility(View.VISIBLE);
+                    sendShowMessage();
+                }
             }
             return;
         }