diff --git a/firefox.spec b/firefox.spec
index eedb409..d8e445b 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -127,7 +127,7 @@ compliance, performance and portability.
 %patch30 -p1
 %patch31 -p1
 %patch32 -p1
-%patch33 -p0
+%patch33 -p1
 %patch40 -p1
 %patch41 -p0
 %patch42 -p0