diff --git a/SOURCES/thunderbird-centos-default-prefs.js.el7 b/SOURCES/thunderbird-centos-default-prefs.js.el7
new file mode 100644
index 0000000..c27d9d3
--- /dev/null
+++ b/SOURCES/thunderbird-centos-default-prefs.js.el7
@@ -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/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 8057ea6..0908b6b 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -167,7 +167,7 @@ Source21:       thunderbird.sh.in
 Source24:       mozilla-api-key
 Source27:       google-api-key
 Source28:       node-stdout-nonblocking-wrapper
-Source701:      thunderbird-redhat-default-prefs.js.rhel7
+Source701:      thunderbird-centos-default-prefs.js.el7
 
 Source403:      nss-3.67.0-7.el8_1.src.rpm
 Source401:      nss-setup-flags-env.inc