diff --git a/x11/gromit/patches/patch-Makefile b/x11/gromit/patches/patch-Makefile
index 2c4a86ed377..aeb8c6426a1 100644
--- a/x11/gromit/patches/patch-Makefile
+++ b/x11/gromit/patches/patch-Makefile
@@ -1,6 +1,10 @@
-$OpenBSD: patch-Makefile,v 1.1.1.1 2005/06/15 17:30:20 niallo Exp $
---- Makefile.orig	Wed Jun  8 02:31:18 2005
-+++ Makefile	Wed Jun  8 02:32:18 2005
+$OpenBSD: patch-Makefile,v 1.2 2017/11/03 12:44:16 espie Exp $
+- obey CC/CFLAGS
+- explicitly pass -lm for gromit as it uses directly
+
+Index: Makefile
+--- Makefile.orig
++++ Makefile
 @@ -1,10 +1,10 @@
  all: gromit
  
@@ -14,4 +18,4 @@ $OpenBSD: patch-Makefile,v 1.1.1.1 2005/06/15 17:30:20 niallo Exp $
  
  gromit: gromit.c Makefile
 -	gcc -DG_DISABLE_DEPRECATED -DGDK_PIXBUF_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DPANGO_DISABLE_DEPRECATED -DGDK_MULTIHEAD_SAFE -DGTK_MULTIHEAD_SAFE -o gromit gromit.c -Wall `pkg-config --libs --cflags gtk+-2.0`
-+	${CC} ${CFLAGS} -DG_DISABLE_DEPRECATED -DGDK_PIXBUF_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DPANGO_DISABLE_DEPRECATED -DGDK_MULTIHEAD_SAFE -DGTK_MULTIHEAD_SAFE -o gromit gromit.c -Wall `pkg-config --libs --cflags gtk+-2.0`
++	${CC} ${CFLAGS} -DG_DISABLE_DEPRECATED -DGDK_PIXBUF_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DPANGO_DISABLE_DEPRECATED -DGDK_MULTIHEAD_SAFE -DGTK_MULTIHEAD_SAFE -o gromit gromit.c -Wall `pkg-config --libs --cflags gtk+-2.0` -lm