1 files changed, 1 insertions, 0 deletions
diff --git a/sxiv.h b/sxiv.h
index d80f7e5..746b35f 100644
--- a/sxiv.h
+++ b/sxiv.h
@@ -385,6 +385,7 @@ enum {
 	ATOM__NET_WM_ICON_NAME,
 	ATOM__NET_WM_ICON,
 	ATOM__NET_WM_STATE,
+	ATOM__NET_WM_PID,
 	ATOM__NET_WM_STATE_FULLSCREEN,
 	ATOM_COUNT
 };