diff --git a/mplayer.c b/mplayer.c
index dd010f0cbd..01d13a8da6 100644
--- a/mplayer.c
+++ b/mplayer.c
@@ -452,7 +452,7 @@ static char *get_demuxer_info (char *tag) {
     return NULL;
 
   for (n = 0; info[2*n] != NULL ; n++)
-    if (!strcmp (info[2*n], tag))
+    if (!strcasecmp (info[2*n], tag))
       break;
 
   return info[2*n+1] ? strdup (info[2*n+1]) : NULL;