diff --git a/config.def.h b/config.def.h
index 1c0b587..2c65024 100644
--- a/config.def.h
+++ b/config.def.h
@@ -112,4 +112,3 @@ static Button buttons[] = {
 	{ ClkTagBar,            MODKEY,         Button1,        tag,            {0} },
 	{ ClkTagBar,            MODKEY,         Button3,        toggletag,      {0} },
 };
-
diff --git a/dwm.c b/dwm.c
index 664c527..941bb82 100644
--- a/dwm.c
+++ b/dwm.c
@@ -192,6 +192,7 @@ static Monitor *recttomon(int x, int y, int w, int h);
 static void resize(Client *c, int x, int y, int w, int h, int interact);
 static void resizeclient(Client *c, int x, int y, int w, int h);
 static void resizemouse(const Arg *arg);
+static void resetnmaster(const Arg *arg);
 static void restack(Monitor *m);
 static void run(void);
 static void scan(void);
@@ -1345,6 +1346,13 @@ resizemouse(const Arg *arg)
 	}
 }
 
+void
+resetnmaster(const Arg *arg)
+{
+	selmon->nmaster = 1;
+	arrange(selmon);
+}
+
 void
 restack(Monitor *m)
 {