diff --git a/libavformat/rm.c b/libavformat/rm.c
index 45cc170cd6..6dea24ce9f 100644
--- a/libavformat/rm.c
+++ b/libavformat/rm.c
@@ -373,13 +373,13 @@ static int rm_write_video(AVFormatContext *s, const uint8_t *buf, int size, int
     } else {
         put_byte(pb, 0x01); 
     }
-    put_be16(pb, 0x4000 | (size)); /* total frame size */
-    put_be16(pb, 0x4000 | (size));              /* offset from the start or the end */
+    put_be16(pb, 0x4000 + (size)); /* total frame size */
+    put_be16(pb, 0x4000 + (size));              /* offset from the start or the end */
 #else
     /* full frame */
     write_packet_header(s, size + 6);
     put_byte(pb, 0xc0); 
-    put_be16(pb, 0x4000 | size); /* total frame size */
+    put_be16(pb, 0x4000 + size); /* total frame size */
     put_be16(pb, 0x4000 + packet_number * 126); /* position in stream */
 #endif
     put_byte(pb, stream->nb_frames & 0xff); 
diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index 698e9391ce..be1cba54ac 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -95,7 +95,7 @@ stddev:  8.87 PSNR:29.15 bytes:7602176
 6262762 ./data/a-ljpeg.avi
 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv
 stddev:  0.00 PSNR:99.99 bytes:7602176
-5f51e30b621683e59edbab2e7c3f8c36 *./data/a-rv10.rm
+49c87af74432890cadb28b93da1c653d *./data/a-rv10.rm
 677483 ./data/a-rv10.rm
 f2b7fcff9de17f5aecfeb1090fe1963b *./data/out.yuv
 stddev:  8.08 PSNR:29.97 bytes:7602176
diff --git a/tests/libav.regression.ref b/tests/libav.regression.ref
index 0137bf5106..386bc28967 100644
--- a/tests/libav.regression.ref
+++ b/tests/libav.regression.ref
@@ -5,7 +5,7 @@ ffmpeg regression test
 c83444a0e8ef47b6af1d868d1bb21696 *./data/b-libav.asf
 342967 ./data/b-libav.asf
 ./data/b-libav.asf CRC=750f18c7
-1cbf838e659d7fc3d3e33f4187b91f6c *./data/b-libav.rm
+5240a23a9264bc6062d6739c70825ace *./data/b-libav.rm
 360251 ./data/b-libav.rm
 90784a1b9589095f20fc6bcc0cc23cc4 *./data/b-libav.mpg
 387072 ./data/b-libav.mpg