diff --git a/security/manager/ssl/security-prefs.js b/security/manager/ssl/security-prefs.js
index 8b79168dd29a..36a073179f6d 100644
--- a/security/manager/ssl/security-prefs.js
+++ b/security/manager/ssl/security-prefs.js
@@ -92,7 +92,7 @@ pref("security.signed_app_signatures.policy", 2);
 #ifdef RELEASE_OR_BETA
 pref("security.pki.name_matching_mode", 1);
 #else
-pref("security.pki.name_matching_mode", 2);
+pref("security.pki.name_matching_mode", 3);
 #endif
 
 // security.pki.netscape_step_up_policy controls how the platform handles the