diff --git a/mozilla/layout/base/nsPresShell.cpp b/mozilla/layout/base/nsPresShell.cpp
index 76eb5e46a0a..ffc91bccd77 100644
--- a/mozilla/layout/base/nsPresShell.cpp
+++ b/mozilla/layout/base/nsPresShell.cpp
@@ -5171,7 +5171,7 @@ PresShell::FlushPendingNotifications(PRBool aUpdateViews)
     ProcessReflowCommands(PR_FALSE);
 
     if (aUpdateViews && mViewManager) {
-      mViewManager->EndUpdateViewBatch(NS_VMREFRESH_IMMEDIATE);
+      mViewManager->EndUpdateViewBatch(NS_VMREFRESH_NO_SYNC);
     }
   }
 
diff --git a/mozilla/layout/html/base/src/nsPresShell.cpp b/mozilla/layout/html/base/src/nsPresShell.cpp
index 76eb5e46a0a..ffc91bccd77 100644
--- a/mozilla/layout/html/base/src/nsPresShell.cpp
+++ b/mozilla/layout/html/base/src/nsPresShell.cpp
@@ -5171,7 +5171,7 @@ PresShell::FlushPendingNotifications(PRBool aUpdateViews)
     ProcessReflowCommands(PR_FALSE);
 
     if (aUpdateViews && mViewManager) {
-      mViewManager->EndUpdateViewBatch(NS_VMREFRESH_IMMEDIATE);
+      mViewManager->EndUpdateViewBatch(NS_VMREFRESH_NO_SYNC);
     }
   }