diff --git a/sowm.c b/sowm.c
index 958d321..793826c 100644
--- a/sowm.c
+++ b/sowm.c
@@ -259,7 +259,7 @@ int main(void) {
     if (!(d = XOpenDisplay(0))) exit(1);
 
     signal(SIGCHLD, SIG_IGN);
-    XSetErrorHandler(0);
+    XSetErrorHandler(xerror);
 
     int s       = DefaultScreen(d);
     Window root = RootWindow(d, s);
diff --git a/sowm.h b/sowm.h
index 4ae77f4..750b297 100644
--- a/sowm.h
+++ b/sowm.h
@@ -52,3 +52,4 @@ void win_prev(const Arg arg);
 void win_next(const Arg arg);
 void win_to_ws(const Arg arg);
 void ws_go(const Arg arg);
+int  xerror() { return 0; }