diff --git a/mono-191-pcfiles.patch b/mono-191-pcfiles.patch
new file mode 100644
index 0000000..47fb425
--- /dev/null
+++ b/mono-191-pcfiles.patch
@@ -0,0 +1,26 @@
+--- mono-1.9.1/data/cecil.pc.in	2008-01-29 22:02:46.000000000 +0000
++++ mono-1.9.1/data/cecil.pc-new.in	2008-04-21 15:05:05.000000000 +0100
+@@ -1,4 +1,4 @@
+-assemblies_dir=@prefix@/lib/mono
++assemblies_dir=@libdir@/mono
+ Libraries=${assemblies_dir}/gac/Mono.Cecil/0.6.8.8607__0738eb9f132ed756/Mono.Cecil.dll
+ 
+ Name: Mono Internal -- Do not use.
+--- mono-1.9.1/data/mint.pc.in	2007-11-08 22:07:46.000000000 +0000
++++ mono-1.9.1/data/mint.pc-new.in	2008-04-21 15:05:55.000000000 +0100
+@@ -1,6 +1,6 @@
+ prefix=${pcfiledir}/../..
+ exec_prefix=${pcfiledir}/../..
+-libdir=${prefix}/lib
++libdir=@libdir@
+ includedir=${prefix}/include/mono-@API_VER@
+ 
+ 
+--- mono-1.9.1/data/mono-cairo.pc.in	2007-11-08 22:07:46.000000000 +0000
++++ mono-1.9.1/data/mono-cairo.pc-new.in	2008-04-21 15:06:41.000000000 +0100
+@@ -6,4 +6,4 @@
+ Name: Mono.Cairo
+ Description: Cairo bindings for Mono
+ Version: @VERSION@
+-Libs: -r:${prefix}/lib/mono/1.0/Mono.Cairo.dll
++Libs: -r:${libdir}/mono/1.0/Mono.Cairo.dll
diff --git a/mono.spec b/mono.spec
index 4f68992..f7fa331 100644
--- a/mono.spec
+++ b/mono.spec
@@ -1,6 +1,6 @@
 Name:		mono
 Version:        1.9.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A .NET runtime environment
 
 Group:          Development/Languages
@@ -42,6 +42,7 @@ Patch5: mono-1.2.4-metadata.patch
 Patch6: mono-1251-metadata.patch
 Patch7: mono-big-integer-CVE-2007-5197.patch
 Patch8: mono-mcs-config.patch
+Patch9: mono-191-pcfiles.patch
 
 %description
 The Mono runtime implements a JIT engine for the ECMA CLI
@@ -256,6 +257,7 @@ sed -i -e 's!%{_libdir}!@@LIBDIR@@!' %{PATCH8}
 %patch4 -p1 -b .use-monodir
 %patch6 -p1 -b .metadata
 %patch7 -p0 -b .big-integer
+%patch9 -p1 -b .original
 autoreconf -f -i -s
 
 # Add undeclared Arg
@@ -600,6 +602,9 @@ install monodir $RPM_BUILD_ROOT%{_bindir}
 %gac_dll IBM.Data.DB2
 
 %changelog
+* Mon Apr 21 2008 Paul F. Johnson <paul@all-the-johnsons.co.uk> 1.9.1-2
+- pc file fixes
+
 * Tue Apr 15 2008 Paul F. Johnson <paul@all-the-johnsons.co.uk> 1.9.1-1
 - bump to new beta