diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
index f43fc4065766e..bd5fb923cb840 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
@@ -381,7 +381,12 @@ public final class KeyboardShortcuts {
                         if (appShortcuts != null) {
                             result.add(appShortcuts);
                         }
-                        showKeyboardShortcutsDialog(result);
+                        synchronized (sLock) {
+                            // showKeyboardShortcutsDialog only if it has not been dismissed already
+                            if (sInstance != null) {
+                                showKeyboardShortcutsDialog(result);
+                            }
+                        }
                     }
                 }, deviceId);
     }