diff --git a/libnftnl.spec b/libnftnl.spec
index 6625181..bc2ef75 100644
--- a/libnftnl.spec
+++ b/libnftnl.spec
@@ -31,6 +31,9 @@ Source2:        http://netfilter.org/projects/libnftnl/files/%name-%version.tar.
 Source3:        baselibs.conf
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  libmnl-devel >= 1.0.3
+# Normally, this require would not be needed, as upstream ships all headers.
+# Except when they don't and then don't bother fixing it.
+BuildRequires:  linux-glibc-devel >= 2.6.35
 BuildRequires:  pkgconfig >= 0.21
 BuildRequires:  xz
 %if 0%{?suse_version} >= 1220