diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 7513fc6..ea24318 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -1141,7 +1141,7 @@
 
     private void setQsExpansion(float height) {
         height = Math.min(Math.max(height, mQsMinExpansionHeight), mQsMaxExpansionHeight);
-        mQsFullyExpanded = height == mQsMaxExpansionHeight;
+        mQsFullyExpanded = height == mQsMaxExpansionHeight && mQsMaxExpansionHeight != 0;
         if (height > mQsMinExpansionHeight && !mQsExpanded && !mStackScrollerOverscrolling) {
             setQsExpanded(true);
         } else if (height <= mQsMinExpansionHeight && mQsExpanded) {