diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index ff2f47fd13a2..bfcb4e0d5ba2 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -7218,7 +7218,7 @@ PresShell::PostReflowEventOffTimer()
     mReflowContinueTimer = do_CreateInstance("@mozilla.org/timer;1");
     if (!mReflowContinueTimer ||
         NS_FAILED(mReflowContinueTimer->
-                    InitWithFuncCallback(sReflowContinueCallback, this, 0,
+                    InitWithFuncCallback(sReflowContinueCallback, this, 30,
                                          nsITimer::TYPE_ONE_SHOT))) {
       return PR_FALSE;
     }