diff --git a/redirect.admin.inc b/redirect.admin.inc
index a6610d5..4e859ed 100644
--- a/redirect.admin.inc
+++ b/redirect.admin.inc
@@ -683,6 +683,14 @@ function redirect_settings_form($form, &$form_state) {
     '#title' => t('Allow redirections on admin paths.'),
     '#default_value' => variable_get('redirect_global_admin_paths', 0),
   );
+  if (module_exists('locale')) {
+    $form['globals']['redirect_global_language_prefix'] = array(
+        '#type' => 'checkbox',
+        '#title' => t('Enforce Language Prefix'),
+        '#description' => t('Enforce language prefix in paths.'),
+        '#default_value' => variable_get('redirect_global_language_prefix', 0),
+    );
+  }
 
   $form['submit'] = array(
     '#validate' => array('redirect_settings_form_validate'),
diff --git a/redirect.module b/redirect.module
index 18841a3..315d590 100644
--- a/redirect.module
+++ b/redirect.module
@@ -401,6 +401,13 @@ function redirect_init() {
     redirect_redirect((object)array('redirect' => $request_uri . '/', 'type' => 'global'));
   }
 
+  // Force langauge prefix.
+  if (variable_get('redirect_global_language_prefix', 0) && module_exists('locale')) {
+    list($language, $raw_path) = language_url_split_prefix($request_uri, language_list());
+    if (!$language) {
+      redirect_redirect((object)array('redirect' => $request_uri, 'type' => 'global'));
+    }
+  }
 }
 
 /**
@@ -1092,7 +1099,9 @@ function redirect_goto($redirect) {
   if (!variable_get('redirect_global_canonical', 0)) {
     $redirect->redirect_options['alias'] = TRUE;
   }
-  $url = url($redirect->redirect, $redirect->redirect_options);
+  // Peel off language prefix if already there.
+  list($language, $raw_path) = language_url_split_prefix($redirect->redirect, language_list());
+  $url = ($language) ? url($raw_path, $redirect->redirect_options) : url($redirect->redirect, $redirect->redirect_options);
   drupal_add_http_header('Location', $url);
   drupal_add_http_header('Status', redirect_status_code_options($redirect->status_code));