diff --git a/DOCS/codecs.conf b/DOCS/codecs.conf
index 2c5922935e..ce37cbadf2 100644
--- a/DOCS/codecs.conf
+++ b/DOCS/codecs.conf
@@ -40,7 +40,8 @@ videocodec mpeg12
   info "MPEG 1 or 2"
   comment "with postprocessing"
   status working
-  format 0x10000001
+  format 0x10000001  ; mpeg 1
+  format 0x10000002  ; mpeg 2
   driver libmpeg2
   dll "libmpeg2"
   out YV12
@@ -187,8 +188,9 @@ videocodec ffodivx
 
 videocodec ffmpeg12
   info "FFmpeg-1"
-  status working
-  format 0x10000001
+  status buggy
+  format 0x10000001  ; mpeg 1
+  format 0x10000002  ; mpeg 2 is broken
   driver ffmpeg
   dll "mpegvideo"
   out YV12
diff --git a/dec_video.c b/dec_video.c
index 499e9df527..e6f7221f25 100644
--- a/dec_video.c
+++ b/dec_video.c
@@ -570,7 +570,6 @@ switch(d_video->demuxer->file_format){
    }
    if(verbose) printf("OK!\n");
 //   sh_video=d_video->sh;sh_video->ds=d_video;
-   sh_video->format=0x10000001; // mpeg video
    mpeg2_init();
    // ========= Read & process sequence header & extension ============
    videobuffer=shmem_alloc(VIDEOBUFFER_SIZE);
@@ -610,6 +609,7 @@ switch(d_video->demuxer->file_format){
     }
    }
    // display info:
+   sh_video->format=picture->mpeg1?0x10000001:0x10000002; // mpeg video
    sh_video->fps=frameratecode2framerate[picture->frame_rate_code]*0.0001f;
    if(!sh_video->fps){
 //     if(!force_fps){