--- xbattmon.c.orig	2026-01-06 01:57:42.615507040 -0300
+++ xbattmon.c	2026-01-06 02:01:36.808663560 -0300
@@ -311,7 +311,7 @@
 #endif
 
 Bool
-evpredicate()
+evpredicate(Display *dpy, XEvent *ev, XPointer arg)
 {
 	return True;
 }