diff --git a/gtk-doc.spec b/gtk-doc.spec
index 6f71644..5dc24cb 100644
--- a/gtk-doc.spec
+++ b/gtk-doc.spec
@@ -51,6 +51,7 @@ and GNOME.
 mv doc/README doc/README.docs
 
 %build
+aclocal
 automake 
 %configure --enable-public-id --disable-scrollkeeper
 make