diff --git a/authselect.spec b/authselect.spec
index 3d6ef3e..4ac8450 100644
--- a/authselect.spec
+++ b/authselect.spec
@@ -13,9 +13,9 @@ BuildRequires:  libtool
 BuildRequires:  m4
 BuildRequires:  gcc
 BuildRequires:  pkgconfig
-BuildRequires:  popt-devel
+BuildRequires:  pkgconfig(popt)
 BuildRequires:  gettext-devel
-BuildRequires:  asciidoc
+BuildRequires:  %{_bindir}/a2x
 Requires: authselect-libs%{?_isa} = %{version}-%{release}
 Suggests: sssd
 Suggests: samba-winbind