1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 5853030c..6a05e93d 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1586,6 +1586,7 @@ struct client {
 #define CLIENT_DEFAULTSOCKET 0x8000000
 #define CLIENT_STARTSERVER 0x10000000
 #define CLIENT_REDRAWPANES 0x20000000
+#define CLIENT_NOFORK 0x40000000
 #define CLIENT_ALLREDRAWFLAGS		\
 	(CLIENT_REDRAWWINDOW|		\
 	 CLIENT_REDRAWSTATUS|		\