diff --git a/libgtop2.spec b/libgtop2.spec
index 29f3637..29e6ecb 100644
--- a/libgtop2.spec
+++ b/libgtop2.spec
@@ -43,8 +43,8 @@ files to allow you to develop with libgtop.
 %build
 # prog_as patches configure.in
 libtoolize --force
-aclocal-1.9
-automake-1.9 --add-missing
+aclocal
+automake --add-missing
 autoconf
 autoheader