diff --git a/libIDL-0.8.6-multilib.patch b/libIDL-0.8.6-multilib.patch
new file mode 100644
index 0000000..769cbf3
--- /dev/null
+++ b/libIDL-0.8.6-multilib.patch
@@ -0,0 +1,39 @@
+--- libIDL-0.8.6/libIDL-config-2.in.multilib	2002-09-19 21:05:16.000000000 -0400
++++ libIDL-0.8.6/libIDL-config-2.in	2006-05-23 14:52:15.000000000 -0400
+@@ -1,8 +1,11 @@
+ #! /bin/sh
+ 
+-prefix=@prefix@
+-exec_prefix=@exec_prefix@
++name=libIDL-2.0
++prefix=`pkg-config --variable prefix $name`
++exec_prefix=`pkg-config --variable exec_prefix $name`
+ exec_prefix_set=no
++includedir=`pkg-config --variable includedir $name`
++libdir=`pkg-config --variable libdir $name`
+ 
+ usage()
+ {
+@@ -46,11 +49,11 @@
+       echo_exec_prefix=yes
+       ;;
+     --version)
+-      echo @LIBIDL_VERSION@
++      pkg-config --modversion $name
+       exit 0
+       ;;
+     --cflags)
+-      includes="-I@includedir@/libIDL-2.0"
++      includes="-I$includedir/libIDL-2.0"
+       echo_cflags=yes
+       ;;
+     --libs)
+@@ -75,7 +78,7 @@
+ 	all_flags="$all_flags $includes $cflags `pkg-config --cflags glib-2.0`"
+ fi
+ if test "$echo_libs" = "yes"; then
+-	all_flags="$all_flags -L@libdir@ -lIDL-2 `pkg-config --libs glib-2.0`"
++	all_flags="$all_flags -L$libdir -lIDL-2 `pkg-config --libs glib-2.0`"
+ fi
+ 
+ # Straight out any possible duplicates, but be careful to
diff --git a/libIDL.spec b/libIDL.spec
index 4bb663e..828dc71 100644
--- a/libIDL.spec
+++ b/libIDL.spec
@@ -1,8 +1,9 @@
 Summary: Library for parsing IDL (Interface Definition Language)
 Name: libIDL
 Version: 0.8.6
-Release: 2.2.1
+Release: 3
 Source: ftp://ftp.gnome.org/pub/GNOME/sources/libIDL/%{name}-%{version}.tar.bz2
+Patch0: libIDL-0.8.6-multilib.patch
 Group: System Environment/Libraries
 License: LGPL
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
@@ -31,6 +32,7 @@ or compile programs that use libIDL.
 
 %prep
 %setup -q -n %{name}-%{version}
+%patch0 -p1 -b .multilib
 
 %build
 %configure
@@ -73,6 +75,9 @@ rm -rf %{buildroot}
 %{_infodir}/libIDL2.info.gz
 
 %changelog
+* Tue May 23 2006 Matthias Clasen <mclasen@redhat.com> - 0.8.6-3
+- Fix multilib conflicts
+
 * Fri Feb 10 2006 Jesse Keating <jkeating@redhat.com> - 0.8.6-2.2.1
 - bump again for double-long bug on ppc(64)