diff --git a/graphviz-black.patch b/graphviz-black.patch
new file mode 100644
index 0000000..b5b6a22
--- /dev/null
+++ b/graphviz-black.patch
@@ -0,0 +1,29 @@
+--- graphviz-2.12/lib/common/colxlate.c.orig	2006-07-26 22:44:05.000000000 -0500
++++ graphviz-2.12/lib/common/colxlate.c	2007-07-12 14:07:13.000000000 -0500
+@@ -1,4 +1,4 @@
+-/* $Id: graphviz-black.patch,v 1.1 2007/07/12 19:41:53 jima Exp $ $Revision: 1.1 $ */
++/* $Id: graphviz-black.patch,v 1.1 2007/07/12 19:41:53 jima Exp $ $Revision: 1.1 $ */
+ /* vim:set shiftwidth=4 ts=8: */
+ 
+ /**********************************************************
+@@ -180,6 +180,10 @@
+ 
+ /* resolveColor:
+  * Resolve input color str allowing color scheme namespaces.
++ *  0) "black" => "black" 
++ *    NB: This is something of a hack due to the remaining codegen.
++ *        Once these are gone, this case could be removed and all references
++ *        to "black" could be replaced by "/X11/black".
+  *  1) No initial / => 
+  *          if colorscheme is defined and no "X11", return /colorscheme/str
+  *          else return str
+@@ -214,7 +218,8 @@
+     char* ss;   /* second slash */
+     char* c2;   /* second char */
+ 
+-    if (*str == '/') {   /* if begins with '/' */
++    if ((*str == 'b') || !strncmp(str+1,"lack",4)) return str;
++    else if (*str == '/') {   /* if begins with '/' */
+ 	c2 = str+1;
+         if ((ss = strchr(c2, '/'))) {  /* if has second '/' */
+ 	    if (*c2 == '/') {    /* if second '/' is second character */
diff --git a/graphviz.spec b/graphviz.spec
index 5bb1969..e4e4a05 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -7,13 +7,14 @@
 #-- graphviz src.rpm --------------------------------------------------------
 Name:		graphviz
 Version:	2.12
-Release:	7%{?dist}
+Release:	8%{?dist}
 
 License:	CPL
 URL:		http://www.graphviz.org/
 Source:		http://www.graphviz.org/pub/graphviz/ARCHIVE/graphviz-2.12.tar.gz
 Patch0:		%{name}-php5.patch
 Patch1:		%{name}-libcdt.patch
+Patch2:		%{name}-black.patch
 
 # graphviz is relocatable
 #Prefix: /usr
@@ -403,6 +404,7 @@ Provides some additional PDF and HTML documentation for graphviz.
 %setup -q
 %patch0 -p1
 %patch1 -p1
+%patch2 -p1
 
 %build
 # XXX ix86 only used to have -ffast-math, let's use everywhere
@@ -439,6 +441,9 @@ rm -rf $RPM_BUILD_ROOT
 #-- changelog --------------------------------------------------
 
 %changelog
+* Thu Jul 12 2007 Patrick "Jima" Laughton <jima@beer.tclug.org> 2.12-8
+- Patch to fix BZ#241790 (thanks John!)
+
 * Sat May 05 2007 Patrick "Jima" Laughton <jima@beer.tclug.org> 2.12-7
 - Patch to fix BZ#237496
 - Disabling relocatability to work around BZ#237082