diff --git a/asfheader.c b/asfheader.c
index 5c17bab80e..d8349c6499 100644
--- a/asfheader.c
+++ b/asfheader.c
@@ -213,7 +213,7 @@ while(!stream_eof(demuxer->stream)){
     case ASF_GUID_PREFIX_data_chunk: // guid_data_chunk
       demuxer->movi_start=stream_tell(demuxer->stream)+26;
       demuxer->movi_end=endpos;
-      mp_msg(MSGT_HEADER,MSGL_V,"Found movie at 0x%X - 0x%X\n",demuxer->movi_start,demuxer->movi_end);
+      mp_msg(MSGT_HEADER,MSGL_V,"Found movie at 0x%X - 0x%X\n",(int)demuxer->movi_start,(int)demuxer->movi_end);
       break;
 
 //  case ASF_GUID_PREFIX_index_chunk: return "guid_index_chunk";
diff --git a/aviheader.c b/aviheader.c
index 7942d3d260..a3c073185f 100644
--- a/aviheader.c
+++ b/aviheader.c
@@ -56,7 +56,7 @@ while(1){
       // found MOVI header
       demuxer->movi_start=stream_tell(demuxer->stream);
       demuxer->movi_end=demuxer->movi_start+len;
-      mp_msg(MSGT_HEADER,MSGL_V,"Found movie at 0x%X - 0x%X\n",demuxer->movi_start,demuxer->movi_end);
+      mp_msg(MSGT_HEADER,MSGL_V,"Found movie at 0x%X - 0x%X\n",(int)demuxer->movi_start,(int)demuxer->movi_end);
       if(index_mode==-2) break; // reading from non-seekable source (stdin)
       len=(len+1)&(~1);
       stream_skip(demuxer->stream,len);