1 files changed, 2 insertions, 1 deletions
diff --git a/tmux.h b/tmux.h
index 02f08ed4..d2409f62 100644
--- a/tmux.h
+++ b/tmux.h
@@ -40,8 +40,9 @@
 
 extern const char    *__progname;
 
-/* Default configuration file. */
+/* Default configuration files. */
 #define DEFAULT_CFG ".tmux.conf"
+#define SYSTEM_CFG "/etc/tmux.conf"
 
 /* Default prompt history length. */
 #define PROMPT_HISTORY 100