diff --git a/libidn.spec b/libidn.spec
index 657cdfa..a30f97a 100644
--- a/libidn.spec
+++ b/libidn.spec
@@ -21,6 +21,7 @@ BuildRequires: gettext gettext-devel
 BuildRequires: emacs
 %endif
 BuildRequires: pkgconfig
+BuildRequires: help2man
 Requires(post): /sbin/install-info /sbin/ldconfig
 Requires(preun): /sbin/install-info
 Requires(postun): /sbin/ldconfig