diff --git a/libprelude.spec b/libprelude.spec
index c4fb65c..ad12143 100644
--- a/libprelude.spec
+++ b/libprelude.spec
@@ -11,6 +11,7 @@ Group:		System Environment/Libraries
 License:	GPLv2+
 URL:		http://prelude-ids.org/
 Source0:	http://www.prelude-ids.org/download/releases/%{name}/%{name}-%{version}.tar.gz
+Patch1:         libprelude-0.9.20-libtool.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:	gnutls-devel, python-devel, ruby, ruby-devel, lua-devel
@@ -74,6 +75,7 @@ Ruby bindings for libprelude.
 
 %prep
 %setup -q
+%patch1 -p1
 
 %build
 %configure	--disable-static \