diff --git a/emacs-common-ess.spec b/emacs-common-ess.spec
index e9d4880..3fa4ec1 100644
--- a/emacs-common-ess.spec
+++ b/emacs-common-ess.spec
@@ -42,7 +42,7 @@ BuildRequires:  emacs emacs-el
 BuildRequires:  xemacs-devel xemacs-packages-extra
 BuildRequires:  texinfo-tex
 BuildRequires:  tex(latex)
-%if 0%{fedora} <= 17
+%if 0%{fedora} >= 18
 BuildRequires:  tex(parskip.sty)
 BuildRequires:  tex(fullpage.sty)
 BuildRequires:  tex(svn.sty)