diff --git a/GConf2.spec b/GConf2.spec
index 37bf4ba..5a994fa 100644
--- a/GConf2.spec
+++ b/GConf2.spec
@@ -75,6 +75,7 @@ which require GTK+.
 %patch2 -p1
 %patch3 -p1
 
+autoreconf -i -f
 
 %build
 %configure --disable-static --enable-defaults-service --disable-orbit --with-gtk=3.0