diff -r 621b1245dc16 cmd/wmii/frame.c
--- a/cmd/wmii/frame.c	Sat Jan 10 17:53:19 2009 -0500
+++ b/cmd/wmii/frame.c	Thu Jan 29 18:16:03 2009 +0100
@@ -425,6 +425,7 @@
 	char *s;
 	uint w;
 	int n, m;
+	bool fullscreen = false;
 
 	if(f->view != selview)
 		return;
@@ -475,8 +476,14 @@
 	if(c != disp.focus && col == &def.focuscolor)
 		border(img, insetrect(r, -1), 1, def.normcolor.bg);
 
+	for(n=0; n < nscreens; n++)
+		if (eqrect(screens[n]->r, f->r)) {
+			fullscreen = true;
+			break;
+		}
+
 	/* Draw a border on borderless+titleless selected apps. */
-	if(f->area->floating && c->borderless && c->titleless && c == selclient())
+	if(f->area->floating && c->borderless && c->titleless && c == selclient() && !fullscreen)
 		setborder(c->framewin, def.border, def.focuscolor.border);
 	else
 		setborder(c->framewin, 0, 0);