diff --git a/mozilla/widget/src/mac/nsToolkit.cpp b/mozilla/widget/src/mac/nsToolkit.cpp
index 70494896d26..c1d61a9a2f3 100644
--- a/mozilla/widget/src/mac/nsToolkit.cpp
+++ b/mozilla/widget/src/mac/nsToolkit.cpp
@@ -340,7 +340,7 @@ void nsMacMemoryCushion::RepeatAction(const EventRecord &aMacEvent)
 
   if (!RecoverMemoryReserve(kMemoryReserveSize))
   {
-    nsMemory::HeapMinimize();
+    nsMemory::HeapMinimize(PR_TRUE);
   }
 }