diff --git a/gnome-screensaver.spec b/gnome-screensaver.spec
index 3a4428a..dff46a0 100644
--- a/gnome-screensaver.spec
+++ b/gnome-screensaver.spec
@@ -42,7 +42,7 @@ BuildRequires: libXinerama-devel libXmu-devel
 BuildRequires: xorg-x11-proto-devel
 BuildRequires: gettext
 BuildRequires: perl-XML-Parser
-BuildRequires: nss
+BuildRequires: nss-devel
 BuildRequires: automake, autoconf, libtool, intltool
 Requires: gtk2 >= %{gtk2_version}
 Requires: gnome-vfs2 >= %{gnome_vfs2_version}