diff --git a/ganglia-web.spec.in b/ganglia-web.spec.in
index e0a3002f..81596a25 100644
--- a/ganglia-web.spec.in
+++ b/ganglia-web.spec.in
@@ -12,11 +12,12 @@ Obsoletes: ganglia-webfrontend
 Requires: php >= 5, php-gd
 %if 0%{?suse_version}
 %define web_prefixdir /srv/www/htdocs/ganglia
-%elseif %{?custom_web_prefixdir}
-%define web_prefixdir %{custom_web_prefixdir}
 %else
-%define web_prefixdir /var/www/html/ganglia
+%define web_prefixdir %{custom_web_prefixdir}
 %endif
+
+%{!?custom_web_prefixdir: %define web_prefixdir /var/www/html/ganglia}
+
 Prefix: %{web_prefixdir}
 BuildArchitectures: noarch