1 files changed, 1 insertions, 0 deletions
diff --git a/openbox/prop.c b/openbox/prop.c
index 15be0292..6bd05cc6 100644
--- a/openbox/prop.c
+++ b/openbox/prop.c
@@ -50,6 +50,7 @@ void prop_startup()
     CREATE(wm_window_role, "WM_WINDOW_ROLE");
     CREATE(wm_client_machine, "WM_CLIENT_MACHINE");
     CREATE(wm_command, "WM_COMMAND");
+    CREATE(wm_client_leader, "WM_CLIENT_LEADER");
     CREATE(motif_wm_hints, "_MOTIF_WM_HINTS");
 
     CREATE(sm_client_id, "SM_CLIENT_ID");