diff --git a/yp-tools.spec b/yp-tools.spec
index 9d72015..6903a02 100644
--- a/yp-tools.spec
+++ b/yp-tools.spec
@@ -14,6 +14,7 @@ Patch4: yp-tools-2.12-crypt.patch
 Patch5: yp-tools-2.12-adjunct.patch
 Patch6: yp-tools-gettext.patch
 Url: http://www.linux-nis.org/nis/yp-tools/index.html
+BuildRequires: autoconf
 Requires: ypbind
 
 %description