diff --git a/bitlbee.spec b/bitlbee.spec
index 82067e7..f9c97db 100644
--- a/bitlbee.spec
+++ b/bitlbee.spec
@@ -14,7 +14,11 @@ Requires:          xinetd
 Requires(pre):     shadow-utils
 Requires(preun):   /sbin/service
 BuildRequires:     glib2-devel >= 2.4, libxslt
-BuildRequires:     nss-devel
+%if 0%{?fedora}%{?rhel}
+BuildRequires:     gnutls-devel
+%else
+BuildRequires:     openssl-devel
+%endif
 BuildRoot:         %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 %description