1 files changed, 1 insertions, 0 deletions
diff --git a/openbox/prop.c b/openbox/prop.c
index b0960bc1..aec146d5 100644
--- a/openbox/prop.c
+++ b/openbox/prop.c
@@ -171,6 +171,7 @@ void prop_startup()
 */
 
     CREATE(openbox_pid, "_OPENBOX_PID");
+    CREATE(ob_theme, "_OB_THEME");
     CREATE(ob_wm_action_undecorate, "_OB_WM_ACTION_UNDECORATE");
     CREATE(ob_wm_state_undecorated, "_OB_WM_STATE_UNDECORATED");
     CREATE(ob_control, "_OB_CONTROL");