diff --git a/cfg.c b/cfg.c
index c55a5dd4..5ad9916a 100644
--- a/cfg.c
+++ b/cfg.c
@@ -28,7 +28,7 @@
 
 #include "tmux.h"
 
-char		 *cfg_file;
+static char	 *cfg_file;
 int		  cfg_finished;
 static char	**cfg_causes;
 static u_int	  cfg_ncauses;