--- src/main.c
+++ src/main.c
@@ -324,7 +324,9 @@
#endif
	/* React on WM (re)starts */
	if (ev.atom == XInternAtom(tray_data.dpy, _NET_SUPPORTING_WM_CHECK, False)) {
+#ifdef DEBUG
		ewmh_list_supported_atoms(tray_data.dpy);
+#endif
		tray_set_wm_hints();
		kde_tray_update_fallback_mode(tray_data.dpy);
	}