diff --git a/cacti.spec b/cacti.spec
index 5925d6d..62b2190 100644
--- a/cacti.spec
+++ b/cacti.spec
@@ -1,6 +1,6 @@
 Name: cacti
 Version: 0.8.8a
-Release: 8%{?dist}
+Release: 9%{?dist}
 Summary: An rrd based graphing tool
 
 Group: Applications/System
@@ -29,6 +29,11 @@ Requires(pre): %{_sbindir}/useradd
 Requires(postun): /sbin/service 
 BuildArch: noarch
 
+# This macro was added in Fedora 20. Use the old version if it's undefined
+# on older Fedoras and RHELs.
+# https://fedoraproject.org/wiki/Changes/UnversionedDocdirs
+%{!?_pkgdocdir: %global _pkgdocdir %{_docdir}/%{name}-%{version}}
+
 %description
 Cacti is a complete frontend to RRDTool. It stores all of the
 necessary information to create graphs and populate them with
@@ -53,7 +58,7 @@ echo "#*/5 * * * *	cacti	%{_bindir}/php %{_datadir}/%{name}/poller.php > /dev/nu
 %install
 rm -rf %{buildroot}
 %{__mkdir} -p %{buildroot}/%{_sysconfdir}/%{name}
-%{__install} -d -m 0755 %{buildroot}/%{_docdir}/%{name}-%{version}
+%{__install} -d -m 0755 %{buildroot}/%{_pkgdocdir}
 %{__install} -d -m 0755 %{buildroot}/%{_datadir}/%{name}/
 %{__install} -m 0644 *.php %{buildroot}/%{_datadir}/%{name}/
 %{__install} -d -m 0775 log/ %{buildroot}/%{_localstatedir}/log/%{name}/
@@ -75,7 +80,7 @@ rm -rf %{buildroot}
 
 %{__cp} -a images/ include/ install/ lib/ plugins/ resource/ %{buildroot}%{_datadir}/%{name}
 %{__cp} %{SOURCE3} ./docs/README.fedora
-%{__cp} -a docs/ %{buildroot}/%{_docdir}/%{name}-%{version}
+%{__cp} -a docs/ %{buildroot}/%{_pkgdocdir}
 %{__mv} %{buildroot}/%{_datadir}/%{name}/include/config.php %{buildroot}/%{_sysconfdir}/%{name}/db.php
 %{__chmod} +x %{buildroot}/%{_datadir}/%{name}/cmd.php %{buildroot}/%{_datadir}/%{name}/poller.php
 ln -s %{_sysconfdir}/%{name}/db.php %{buildroot}/%{_datadir}/%{name}/include/config.php
@@ -132,6 +137,10 @@ fi
 %attr(0644,root,root) %{_localstatedir}/lib/%{name}/lib
 
 %changelog
+* Mon Jul 29 2013 Ken Dreyer <ktdreyer@ktdreyer.org> - 0.8.8a-9
+- Use %%{_pkgdocdir}, per
+  https://fedoraproject.org/wiki/Changes/UnversionedDocdirs
+
 * Sun Jul 14 2013 Ken Dreyer <ktdreyer@ktdreyer.org> - 0.8.8a-8
 - Improve security description in cacti's httpd conf (RHBZ #895823)
 - Use improved treeview replacement patch (RHBZ #888207)