diff --git a/libgtop2.spec b/libgtop2.spec
index 8e73853..c6e7e44 100644
--- a/libgtop2.spec
+++ b/libgtop2.spec
@@ -36,13 +36,14 @@ files to allow you to develop with libgtop.
 %setup -q -n libgtop-%{version}
 %patch -p1 -b .prog_as
 
+%build
+# prog_as patches configure.in
 libtoolize --force
-aclocal-1.6
-automake-1.6 --add-missing
+aclocal-1.9
+automake-1.9 --add-missing
 autoconf
 autoheader
 
-%build
 %configure
 make %{?_smp_mflags}