diff --git a/SOURCES/thunderbird-centos-default-prefs.js b/SOURCES/thunderbird-centos-default-prefs.js
new file mode 100644
index 0000000..c27d9d3
--- /dev/null
+++ b/SOURCES/thunderbird-centos-default-prefs.js
@@ -0,0 +1,36 @@
+pref("app.update.enabled", false);
+pref("app.update.autoInstallEnabled", false);
+/* Allow users to set custom colors*/
+/* pref("browser.display.use_system_colors",   true);*/
+pref("general.useragent.vendor", "CentOS");
+pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
+pref("intl.locale.matchOS", true);
+pref("mail.shell.checkDefaultClient", false);
+pref("toolkit.networkmanager.disable", false);
+pref("offline.autoDetect", true);
+
+/* Disable global indexing by default*/
+pref("mailnews.database.global.indexer.enabled", false);
+
+/* Do not switch to Smart Folders after upgrade to 3.0b4 */
+pref("mail.folder.views.version", "1");
+pref("extensions.shownSelectionUI", true);
+pref("extensions.autoDisableScopes", 0);
+
+/* For rhbz#1024232 */
+pref("ui.SpellCheckerUnderlineStyle",       1);
+
+/* Workaround for rhbz#1753011 */
+pref("spellchecker.dictionary_path", "/usr/share/myspell");
+/* Workaround for rhbz#1134876 */
+pref("javascript.options.baselinejit",      false);
+/* Workaround for rhbz#1110291 */
+pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
+/* Workaround for mozbz#1063315 */
+pref("security.use_mozillapkix_verification", false);
+/* Use OS settings for UI language */
+pref("intl.locale.requested", "");
+/* Disable telemetry */
+pref("datareporting.healthreport.uploadEnabled", false);
+pref("datareporting.policy.dataSubmissionEnabled", false);
+pref("toolkit.telemetry.archive.enabled", false);
diff --git a/SOURCES/thunderbird-redhat-default-prefs.js b/SOURCES/thunderbird-redhat-default-prefs.js
deleted file mode 100644
index 4d01b78..0000000
--- a/SOURCES/thunderbird-redhat-default-prefs.js
+++ /dev/null
@@ -1,36 +0,0 @@
-pref("app.update.enabled", false);
-pref("app.update.autoInstallEnabled", false);
-/* Allow users to set custom colors*/
-/* pref("browser.display.use_system_colors",   true);*/
-pref("general.useragent.vendor", "Red Hat");
-pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
-pref("intl.locale.matchOS", true);
-pref("mail.shell.checkDefaultClient", false);
-pref("toolkit.networkmanager.disable", false);
-pref("offline.autoDetect", true);
-
-/* Disable global indexing by default*/
-pref("mailnews.database.global.indexer.enabled", false);
-
-/* Do not switch to Smart Folders after upgrade to 3.0b4 */
-pref("mail.folder.views.version", "1");
-pref("extensions.shownSelectionUI", true);
-pref("extensions.autoDisableScopes", 0);
-
-/* For rhbz#1024232 */
-pref("ui.SpellCheckerUnderlineStyle",       1);
-
-/* Workaround for rhbz#1753011 */
-pref("spellchecker.dictionary_path", "/usr/share/myspell");
-/* Workaround for rhbz#1134876 */
-pref("javascript.options.baselinejit",      false);
-/* Workaround for rhbz#1110291 */
-pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
-/* Workaround for mozbz#1063315 */
-pref("security.use_mozillapkix_verification", false);
-/* Use OS settings for UI language */
-pref("intl.locale.requested", "");
-/* Disable telemetry */
-pref("datareporting.healthreport.uploadEnabled", false);
-pref("datareporting.policy.dataSubmissionEnabled", false);
-pref("toolkit.telemetry.archive.enabled", false);
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index b414455..2b63b21 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -216,7 +216,7 @@ Source1:        thunderbird-langpacks-%{version}-20230913.tar.xz
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
 Source10:       thunderbird-mozconfig
-Source12:       thunderbird-redhat-default-prefs.js
+Source12:       thunderbird-centos-default-prefs.js
 Source20:       thunderbird.desktop
 Source21:       thunderbird.sh.in
 Source24:       mozilla-api-key
@@ -1275,6 +1275,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Mon Sep 18 2023 CentOS Sources <bugs@centos.org> - 102.15.1-1.el7.centos
+- rebrand default prefs
+
 * Wed Sep 13 2023 Eike Rathke <erack@redhat.com> - 102.15.1-1
 - Update to 102.15.1