diff --git a/app/helpers/users_helper.rb b/app/helpers/users_helper.rb
index 949ca5fa5ec..73c1402eae5 100644
--- a/app/helpers/users_helper.rb
+++ b/app/helpers/users_helper.rb
@@ -30,7 +30,7 @@ module UsersHelper
 
     pattern, options = if settings.user_default_internal_regex_enabled?
                          regex = settings.user_default_internal_regex_instance
-                         JsRegex.new(regex, options: 'g').to_h.slice(:source, :options).values
+                         JsRegex.new(regex).to_h.slice(:source, :options).values
                        end
 
     { user_internal_regex_pattern: pattern, user_internal_regex_options: options }
diff --git a/spec/helpers/users_helper_spec.rb b/spec/helpers/users_helper_spec.rb
index 34d9115a1f6..ab67a5ab847 100644
--- a/spec/helpers/users_helper_spec.rb
+++ b/spec/helpers/users_helper_spec.rb
@@ -51,7 +51,7 @@ describe UsersHelper do
       false | 'mockRegexPattern' | { user_internal_regex_pattern: nil, user_internal_regex_options: nil }
       true  | nil                | { user_internal_regex_pattern: nil, user_internal_regex_options: nil }
       true  | ''                 | { user_internal_regex_pattern: nil, user_internal_regex_options: nil }
-      true  | 'mockRegexPattern' | { user_internal_regex_pattern: 'mockRegexPattern', user_internal_regex_options: 'gi' }
+      true  | 'mockRegexPattern' | { user_internal_regex_pattern: 'mockRegexPattern', user_internal_regex_options: 'i' }
     end
 
     with_them do