Index: dmenu-patches/dmenu/dmenu.c
===================================================================
--- dmenu-patches.orig/dmenu/dmenu.c
+++ dmenu-patches/dmenu/dmenu.c
@@ -49,7 +49,7 @@ static struct item *matches, *matchend;
 static struct item *prev, *curr, *next, *sel;
 static int mon = -1, screen;
 
-static Atom clip, utf8;
+static Atom clip, utf8, type, dock;
 static Display *dpy;
 static Window root, parentwin, win;
 static XIC xic;
@@ -690,6 +690,8 @@ setup(void)
 
 	clip = XInternAtom(dpy, "CLIPBOARD",   False);
 	utf8 = XInternAtom(dpy, "UTF8_STRING", False);
+	type = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
+	dock = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DOCK", False);
 
 	/* calculate menu geometry */
 	bh = drw->fonts->h + 2;
@@ -747,6 +749,8 @@ setup(void)
 	                    CopyFromParent, CopyFromParent, CopyFromParent,
 	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
 	XSetClassHint(dpy, win, &ch);
+	XChangeProperty(dpy, win, type, XA_ATOM, 32, PropModeReplace,
+			(unsigned char *) &dock, 1);
 
 	/* open input methods */
 	xim = XOpenIM(dpy, NULL, NULL, NULL);