diff --git a/gui/mplayer/gui_common.c b/gui/mplayer/gui_common.c
index 3c3379fbb2..0bfeb9b805 100644
--- a/gui/mplayer/gui_common.c
+++ b/gui/mplayer/gui_common.c
@@ -50,7 +50,7 @@
 
 extern unsigned int GetTimerMS( void );
 
-inline void TranslateFilename( int c,char * tmp,size_t tmplen )
+static inline void TranslateFilename( int c,char * tmp,size_t tmplen )
 {
  int i;
  char * p;