diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index b1e901e..ea5aabf 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -91,7 +91,7 @@ Source0:        firefox-%{version}%{?ext_version}.source.tar.xz
 Source1:        firefox-langpacks-%{version}%{?ext_version}-20170803.tar.xz
 %endif
 Source10:       firefox-mozconfig
-Source12:       firefox-redhat-centos-prefs.js
+Source12:       firefox-centos-default-prefs.js
 Source20:       firefox.desktop
 Source600:      firefox.sh.in.rhel6
 Source700:      firefox.sh.in.rhel7