diff --git a/pam.spec b/pam.spec
index 67e8d11..61e6838 100644
--- a/pam.spec
+++ b/pam.spec
@@ -25,8 +25,10 @@ BuildRequires:  audit-devel
 BuildRequires:  bison
 BuildRequires:  cracklib-devel
 BuildRequires:  flex
+%if 0%{?suse_version} > 1320
 BuildRequires:  pkgconfig(libnsl)
 BuildRequires:  pkgconfig(libtirpc)
+%endif
 %if %{enable_selinux}
 BuildRequires:  libselinux-devel
 %endif