diff --git a/x11-clocks/xclock/Makefile b/x11-clocks/xclock/Makefile
index 83bf7264657a..980babfe2dbe 100644
--- a/x11-clocks/xclock/Makefile
+++ b/x11-clocks/xclock/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	xclock
 PORTVERSION=	1.0.4
+PORTREVISION=	1
 CATEGORIES=	x11-clocks
 
 MAINTAINER=	x11@FreeBSD.org
diff --git a/x11-clocks/xclock/files/patch-xclock.c b/x11-clocks/xclock/files/patch-xclock.c
new file mode 100644
index 000000000000..4e9d5d615ac3
--- /dev/null
+++ b/x11-clocks/xclock/files/patch-xclock.c
@@ -0,0 +1,11 @@
+--- xclock.c.orig	2010-08-07 16:05:41.000000000 +0200
++++ xclock.c	2010-08-07 16:05:59.000000000 +0200
+@@ -215,7 +215,7 @@ main(int argc, char *argv[])
+ 
+ #ifdef HAVE_GETPID
+     {
+-	pid_t pid = getpid();
++	unsigned long pid = (unsigned long)getpid();
+ 	XChangeProperty(XtDisplay(toplevel), XtWindow(toplevel),
+ 			XInternAtom(XtDisplay(toplevel), "_NET_WM_PID", False),
+ 			XA_CARDINAL, 32, PropModeReplace,