diff --git a/doxygen-1.2.18-libdir.patch b/doxygen-1.2.18-libdir.patch
index da049ea..ff1f21b 100644
--- a/doxygen-1.2.18-libdir.patch
+++ b/doxygen-1.2.18-libdir.patch
@@ -7,13 +7,13 @@
 -TMAKE_INCDIR_X11	= /usr/X11R6/include
 -TMAKE_LIBDIR_X11	= /usr/X11R6/lib
 +TMAKE_INCDIR_X11	= /usr/include
-+TMAKE_LIBDIR_X11	= /usr/lib64
++TMAKE_LIBDIR_X11	= /usr/lib
  TMAKE_INCDIR_QT		= $(QTDIR)/include
  TMAKE_LIBDIR_QT		= $(QTDIR)/lib
 -TMAKE_INCDIR_OPENGL	= /usr/X11R6/include
 -TMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
 +TMAKE_INCDIR_OPENGL	= /usr/include
-+TMAKE_LIBDIR_OPENGL	= /usr/lib64
++TMAKE_LIBDIR_OPENGL	= /usr/lib
  
  TMAKE_LINK		= g++
  TMAKE_LINK_SHLIB	= g++
diff --git a/doxygen-1.2.18-libdir64.patch b/doxygen-1.2.18-libdir64.patch
new file mode 100644
index 0000000..da049ea
--- /dev/null
+++ b/doxygen-1.2.18-libdir64.patch
@@ -0,0 +1,19 @@
+--- doxygen-1.4.5/tmake/lib/linux-g++/tmake.conf.libdir	2005-11-18 22:12:21.000000000 -0500
++++ doxygen-1.4.5/tmake/lib/linux-g++/tmake.conf	2005-11-18 22:12:46.000000000 -0500
+@@ -27,12 +27,12 @@
+ 
+ TMAKE_INCDIR		=
+ TMAKE_LIBDIR		=
+-TMAKE_INCDIR_X11	= /usr/X11R6/include
+-TMAKE_LIBDIR_X11	= /usr/X11R6/lib
++TMAKE_INCDIR_X11	= /usr/include
++TMAKE_LIBDIR_X11	= /usr/lib64
+ TMAKE_INCDIR_QT		= $(QTDIR)/include
+ TMAKE_LIBDIR_QT		= $(QTDIR)/lib
+-TMAKE_INCDIR_OPENGL	= /usr/X11R6/include
+-TMAKE_LIBDIR_OPENGL	= /usr/X11R6/lib
++TMAKE_INCDIR_OPENGL	= /usr/include
++TMAKE_LIBDIR_OPENGL	= /usr/lib64
+ 
+ TMAKE_LINK		= g++
+ TMAKE_LINK_SHLIB	= g++
diff --git a/doxygen.spec b/doxygen.spec
index 4a730ff..e9c3719 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -10,6 +10,7 @@ Source0: ftp://ftp.stack.nl/pub/users/dimitri/%{name}-%{version}.src.tar.gz
 
 Patch0: doxygen-1.4.3-config.patch
 Patch2: doxygen-1.2.18-libdir.patch
+Patch3: doxygen-1.2.18-libdir64.patch
 
 Group: Development/Tools
 License: GPL
@@ -46,6 +47,8 @@ are used by doxygen.
 %patch0 -p1 -b .redhat
 
 %if "%{_lib}" != "lib"
+%patch3 -p1 -b .libdir
+%else
 %patch2 -p1 -b .libdir
 %endif