diff --git a/iptables.spec b/iptables.spec
index 0e089c7..46f2076 100644
--- a/iptables.spec
+++ b/iptables.spec
@@ -41,9 +41,14 @@ BuildRequires:  sgmltool
 %if 0%{?fedora_version} || 0%{?centos_version}
 BuildRequires:  sgml-common
 %endif
-BuildRequires:  autoconf automake fdupes libtool
-BuildRequires:  pkgconfig >= 0.23 pkgconfig(libnfnetlink) >= 1.0.0
-BuildRequires:  xz
+BuildRequires:  autoconf automake libtool
+BuildRequires:  pkgconfig >= 0.21 xz
+%if 0%{?suse_version}
+BuildRequires:  fdupes pkgconfig(libnfnetlink) >= 1.0.0
+%endif
+%if 0%{?fedora} || 0%{?rhel}
+BuildRequires:  libnfnetlink-devel >= 1.0.0
+%endif
 
 %description
 iptables is used to set up, maintain, and inspect the tables of IP