diff --git a/content/svg/content/src/nsSVGValue.h b/content/svg/content/src/nsSVGValue.h
index 0971b6a3d8c4..8ff34d93a5f3 100644
--- a/content/svg/content/src/nsSVGValue.h
+++ b/content/svg/content/src/nsSVGValue.h
@@ -77,7 +77,7 @@ protected:
   void NotifyObservers(SVGObserverNotifyFunction f);
   
 private:
-  nsCheapVoidArray mObservers;
+  nsSmallVoidArray mObservers;
   PRInt32 mModifyNestCount;
 };