diff --git a/mozilla/docshell/base/nsDocShell.cpp b/mozilla/docshell/base/nsDocShell.cpp
index 7ee911b3211..eb9c0b74c9c 100644
--- a/mozilla/docshell/base/nsDocShell.cpp
+++ b/mozilla/docshell/base/nsDocShell.cpp
@@ -5299,6 +5299,11 @@ nsDocShell::RestorePresentation(nsISHEntry *aSHEntry, PRBool aSavePresentation,
         }
     }
 
+    // Tell the event loop to favor plevents over user events, see comments
+    // in CreateContentViewer.
+    if (++gNumberOfDocumentsLoading == 1)
+      PL_FavorPerformanceHint(PR_TRUE, NS_EVENT_STARVATION_DELAY_HINT);
+
     SetCurrentURI(uri);
 
     // Restore the page title.  Re-setting the current title on the document