diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 0111777cd8..1399b30ab3 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1185,6 +1185,7 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
     /* iTunes meta data */
     mov_write_meta_tag(pb, mov, s);
 
+  if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
     /* Requirements */
     for (i=0; i<MAX_STREAMS; i++) {
         if(mov->tracks[i].entry <= 0) continue;
@@ -1203,6 +1204,7 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
         mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
     mov_write_string_tag(pb, "\251des", s->comment       , 0);
     mov_write_string_tag(pb, "\251gen", s->genre         , 0);
+  }
 
     return updateSize(pb, pos);
 }
diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index 483761379a..0949ba646c 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -59,8 +59,8 @@ fc01a5723a0d629bb73c74d64692120d *./data/a-h263p.avi
 2414342 ./data/a-h263p.avi
 28fd12ac0b168252d81df6f6e60a5d17 *./data/out.yuv
 stddev:  2.07 PSNR:41.76 bytes:7602176
-ace6c1cd13693c402317dcef741db64d *./data/a-odivx.mp4
-554535 ./data/a-odivx.mp4
+26bbeee40bd124d981e8fbfc5b8bee16 *./data/a-odivx.mp4
+554499 ./data/a-odivx.mp4
 57aed19df5cbada4b05991527ee72ebe *./data/out.yuv
 stddev:  7.99 PSNR:30.06 bytes:7602176
 8a9a98678a2e9c2e857f741cbb8e9ccb *./data/a-huffyuv.avi
@@ -83,8 +83,8 @@ a316960921c77d88817d857bbe19dccd *./data/a-mpeg4-Q.avi
 899452 ./data/a-mpeg4-Q.avi
 af59c063ed644c7dc4151a0a2debbddd *./data/out.yuv
 stddev:  5.69 PSNR:33.00 bytes:7602176
-28446a8cc5f1cfc337415f408ab67f0e *./data/a-mpeg4-PSP.mp4
-407349 ./data/a-mpeg4-PSP.mp4
+8ca360db66f3d801a748a7d4fbd9cab1 *./data/a-mpeg4-PSP.mp4
+407313 ./data/a-mpeg4-PSP.mp4
 40f1b11c7c5c114af109ef4ea6a7097d *./data/a-error-mpeg4-adv.avi
 766682 ./data/a-error-mpeg4-adv.avi
 e90b201e20563ec7817f5dc4276902ed *./data/out.yuv
diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref
index bd737b5875..ff0a7b9852 100644
--- a/tests/rotozoom.regression.ref
+++ b/tests/rotozoom.regression.ref
@@ -59,8 +59,8 @@ stddev:  5.44 PSNR:33.41 bytes:7602176
 868164 ./data/a-h263p.avi
 80fb224bebbe2e04f228da7485b905c5 *./data/out.yuv
 stddev:  1.91 PSNR:42.49 bytes:7602176
-059f0bc4e2f7e454620f619a0295fecb *./data/a-odivx.mp4
-120186 ./data/a-odivx.mp4
+f69bd330fd11c8f0943ab329d3099dc7 *./data/a-odivx.mp4
+120150 ./data/a-odivx.mp4
 e8c90899c32e11e7e4d1354dab0b8f28 *./data/out.yuv
 stddev:  5.34 PSNR:33.56 bytes:7602176
 4a8912deb0182471aaaf4fc3ece39fb2 *./data/a-huffyuv.avi
@@ -83,8 +83,8 @@ e3297036902923727157b8d1b52cbc7e *./data/a-mpeg4-Q.avi
 164998 ./data/a-mpeg4-Q.avi
 b078f22c66083f0537bd3581509684d8 *./data/out.yuv
 stddev:  4.01 PSNR:36.05 bytes:7602176
-1a3e5c4b097c7609415248e235f39967 *./data/a-mpeg4-PSP.mp4
-321922 ./data/a-mpeg4-PSP.mp4
+5c1423bbabf985fac5887d76f0b833f1 *./data/a-mpeg4-PSP.mp4
+321886 ./data/a-mpeg4-PSP.mp4
 a2adfb70459e8b2218756bac5e67c4c7 *./data/a-error-mpeg4-adv.avi
 177212 ./data/a-error-mpeg4-adv.avi
 9fa0943825f364d6fb700dc75cf5d8bb *./data/out.yuv