1 files changed, 3 insertions, 0 deletions
diff --git a/src/x11.h b/src/x11.h
index e90694a..b2c0e54 100644
--- a/src/x11.h
+++ b/src/x11.h
@@ -21,11 +21,14 @@
 typedef struct {
   Atom CLIPBOARD;
   Atom UTF8_STRING;
+  Atom WM_CLIENT_MACHINE;
   Atom WM_PROTOCOLS;
   Atom WM_DELETE_WINDOW;
   Atom PUGL_CLIENT_MSG;
   Atom NET_CLOSE_WINDOW;
   Atom NET_WM_NAME;
+  Atom NET_WM_PID;
+  Atom NET_WM_PING;
   Atom NET_WM_STATE;
   Atom NET_WM_STATE_ABOVE;
   Atom NET_WM_STATE_BELOW;