diff --git a/faad2/plugins/xmms/src/libmp4.c b/faad2/plugins/xmms/src/libmp4.c

index 97e8d12..ce18ba0 100755

--- a/faad2/plugins/xmms/src/libmp4.c

+++ b/faad2/plugins/xmms/src/libmp4.c

@@ -123,19 +123,18 @@ static void mp4_stop(void)

 static int	mp4_isFile(char *filename)

 {

-  if(filename){

-    gchar*	extention;

-

-    extention = strrchr(filename, '.');

-    if(extention &&

-       (!strncasecmp(extention, ".mp4", 4) ||	// official extention

-	!strncasecmp(extention, ".m4a", 4) ||	// Apple mp4 extention

-	!strncasecmp(extention, ".aac", 4)	// old MPEG2/4-AAC extention

-	)){

-      return (1);

+    gchar *extension;

+

+    if(filename){

+        extension = strrchr(filename, '.');

+        if (extension &&

+                (!strcasecmp(extension, ".mp4") ||  // official extension

+                 !strcasecmp(extension, ".m4a") ||  // Apple mp4 extension

+                 !strcasecmp(extension, ".aac")     // an old MPEG2/4-AAC extension

+                )

+           ) return TRUE;

     }

-  }

-  return(0);

+    return FALSE;

 }

 static void	mp4_about(void)