2 files changed, 2 insertions, 0 deletions
diff --git a/obt/prop.c b/obt/prop.c
index d5af6a0b..638373fd 100644
--- a/obt/prop.c
+++ b/obt/prop.c
@@ -107,6 +107,7 @@ void obt_prop_startup(void)
     CREATE_(NET_WM_ICON_GEOMETRY);
     CREATE_(NET_WM_PID);
     CREATE_(NET_WM_ALLOWED_ACTIONS);
+    CREATE_(NET_WM_WINDOW_OPACITY);
     CREATE_(NET_WM_USER_TIME);
 /*  CREATE_(NET_WM_USER_TIME_WINDOW); */
     CREATE_(KDE_NET_WM_FRAME_STRUT);
diff --git a/obt/prop.h b/obt/prop.h
index 9c4ace33..b30232e9 100644
--- a/obt/prop.h
+++ b/obt/prop.h
@@ -148,6 +148,7 @@ typedef enum {
     OBT_PROP_NET_WM_ICON_GEOMETRY,
     OBT_PROP_NET_WM_PID,
     OBT_PROP_NET_WM_ALLOWED_ACTIONS,
+    OBT_PROP_NET_WM_WINDOW_OPACITY,
     OBT_PROP_NET_WM_USER_TIME,
 /*  OBT_PROP_NET_WM_USER_TIME_WINDOW, */
     OBT_PROP_NET_FRAME_EXTENTS,