diff --git a/gtk-doc.spec b/gtk-doc.spec
index 37b45b7..f833804 100644
--- a/gtk-doc.spec
+++ b/gtk-doc.spec
@@ -51,8 +51,9 @@ and GNOME.
 mv doc/README doc/README.docs
 
 %build
+libtoolize --force
 aclocal
-automake
+automake 
 autoconf
 %configure --enable-public-id --disable-scrollkeeper
 make