diff --git a/config.def.h b/config.def.h
index bd86fb1..f3e6613 100644
--- a/config.def.h
+++ b/config.def.h
@@ -46,6 +46,8 @@ static const int attachdirection = 2;    /* 0 default, 1 above, 2 aside, 3 below
 #define FORCE_VSPLIT 1  /* nrowgrid layout: force two clients to always split vertically */
 #include "vanitygaps.c"
 
+static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
+
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
diff --git a/dwm.c b/dwm.c
index b693fa3..65735e3 100644
--- a/dwm.c
+++ b/dwm.c
@@ -977,7 +977,7 @@ focusstack(const Arg *arg)
 {
 	Client *c = NULL, *i;
 
-	if (!selmon->sel || selmon->sel->isfullscreen)
+	if (!selmon->sel || (selmon->sel->isfullscreen && lockfullscreen))
 		return;
 	if (arg->i > 0) {
 		for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);