1 files changed, 2 insertions, 2 deletions
diff --git a/src/ui/ui_shared.h b/src/ui/ui_shared.h
index 649d51f1..eedbfd36 100644
--- a/src/ui/ui_shared.h
+++ b/src/ui/ui_shared.h
@@ -431,8 +431,8 @@ typedef struct
   void ( *getBindingBuf )( int keynum, char *buf, int buflen );
   void ( *setBinding )( int keynum, const char *binding );
   void ( *executeText )( int exec_when, const char *text );
-  void ( *Error )( int level, const char *error, ... );
-  void ( *Print )( const char *msg, ... );
+  void ( *Error )( int level, const char *error, ... ) __attribute__ ((format (printf, 2, 3)));
+  void ( *Print )( const char *msg, ... ) __attribute__ ((format (printf, 1, 2)));
   void ( *Pause )( qboolean b );
   int ( *ownerDrawWidth )( int ownerDraw, float scale );
   const char *( *ownerDrawText )( int ownerDraw );