diff --git a/.gitignore b/.gitignore
index 6b0f9ed..c71e79a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 rmol-0.23.0.tar.gz
+rmol_fix_gcc_45_compilation_error.patch
diff --git a/rmol.spec b/rmol.spec
index c4faea4..19f44a4 100644
--- a/rmol.spec
+++ b/rmol.spec
@@ -1,9 +1,9 @@
 #
-%define mydocs __tmp_docdir
+%global mydocs __tmp_docdir
 #
 Name:           rmol
 Version:        0.23.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 
 Summary:        C++ library of Revenue Management and Optimisation classes and functions
 
@@ -13,6 +13,9 @@ URL:            http://%{name}.sourceforge.net
 Source0:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
+# Patch for g++ 4.5 compatibility. Already fixed by upstream.
+Patch0:         rmol_fix_gcc_45_compilation_error.patch
+
 BuildRequires:  gsl-devel
 BuildRequires:  boost-devel
 BuildRequires:  cppunit-devel
@@ -66,6 +69,10 @@ library. The documentation is the same as at the RMOL web page.
 
 %prep
 %setup -q
+
+# Apply the g++ 4.5 compatibility patch
+%patch0 -p0
+
 # find ./doc -type f -perm 755 -exec chmod 644 {} \;
 # Fix some permissions and formats
 rm -f INSTALL
@@ -130,6 +137,9 @@ fi
 
 
 %changelog
+* Wed Jul 28 2010 Denis Arnaud <denis.arnaud_fedora@m4x.org> 0.23.0-3
+- Added a patch to fix Rawhide build error
+
 * Fri Jan 22 2010 Rahul Sundaram <sundaram@fedoraproject.org> 0.23.0-2
 - Rebuild for Boost soname bump
 
diff --git a/sources b/sources
index 12fce05..cbc96b9 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-4efd1c6a4edff1a0e35decabb2e1e6ef  rmol-0.23.0.tar.gz
+7f48936f4066868b55d368e761195f13  rmol_fix_gcc_45_compilation_error.patch