1 files changed, 1 insertions, 0 deletions
diff --git a/obt/prop.c b/obt/prop.c
index 108c1184..1e324b92 100644
--- a/obt/prop.c
+++ b/obt/prop.c
@@ -62,6 +62,7 @@ void obt_prop_startup(void)
     CREATE(WM_CLIENT_MACHINE);
     CREATE(WM_COMMAND);
     CREATE(WM_CLIENT_LEADER);
+    CREATE(WM_TRANSIENT_FOR);
     CREATE_(MOTIF_WM_HINTS);
 
     CREATE(SM_CLIENT_ID);