diff --git a/ffpresets/libx264-ipod320.ffpreset b/ffpresets/libx264-ipod320.ffpreset
index c35c540a0f..89441c7deb 100644
--- a/ffpresets/libx264-ipod320.ffpreset
+++ b/ffpresets/libx264-ipod320.ffpreset
@@ -2,3 +2,5 @@ coder=0
 bf=0
 flags2=-wpred-dct8x8
 level=13
+maxrate=768000
+bufsize=3000000
diff --git a/ffpresets/libx264-ipod640.ffpreset b/ffpresets/libx264-ipod640.ffpreset
index 4385e293a5..fd58e2ad71 100644
--- a/ffpresets/libx264-ipod640.ffpreset
+++ b/ffpresets/libx264-ipod640.ffpreset
@@ -3,3 +3,5 @@ bf=0
 refs=1
 flags2=-wpred-dct8x8
 level=30
+maxrate=10000000
+bufsize=10000000