diff --git a/src/config_struct.h b/src/config_struct.h
index 1031e32..08eddfd 100644
--- a/src/config_struct.h
+++ b/src/config_struct.h
@@ -48,7 +48,7 @@ cfg_opt_t misc_opts[] =
 cfg_opt_t mouse_button_opts[] =
 {
      CFG_INT("tag",    -1,        CFGF_NONE),
-     CFG_INT("screen", 0,         CFGF_NONE),
+     CFG_INT("screen", -1,         CFGF_NONE),
      CFG_STR("button", "Button1", CFGF_NONE),
      CFG_STR("func",   "",        CFGF_NONE),
      CFG_STR("cmd",    "",        CFGF_NONE),
diff --git a/src/event.c b/src/event.c
index 224b260..8822ec8 100644
--- a/src/event.c
+++ b/src/event.c
@@ -82,7 +82,8 @@ buttonpress(XButtonEvent *ev)
      for(i = 0; i < screen_count(); ++i)
           if(ev->window == infobar[i].bar->win)
                for(j = 0; j < conf.bars.nmouse; ++j)
-                    if(conf.bars.mouse[j].screen == i)
+                    if(conf.bars.mouse[j].screen == i
+                       || conf.bars.mouse[j].screen < 0)
                          if(conf.bars.mouse[j].tag == seltag[i]
                             || conf.bars.mouse[j].tag < 0)
                               if(ev->button == conf.bars.mouse[j].button)