diff --git a/bout++.spec b/bout++.spec
index 43fc6f4..4652f18 100644
--- a/bout++.spec
+++ b/bout++.spec
@@ -350,7 +350,7 @@ do
     sed -i '/^#!\//d' $f
 done
 
-autoreconf
+autoreconf -fiv
 
 
 #