diff -u b/redirect.admin.inc b/redirect.admin.inc
--- b/redirect.admin.inc
+++ b/redirect.admin.inc
@@ -525,7 +525,6 @@
 
   if (empty($form_state['values']['override'])) {
     if ($existing = redirect_load_by_source($redirect->source, $redirect->language)) {
-      $existing = $existing[1];
       if ($redirect->rid != $existing->rid && $redirect->language == $existing->language) {
         // The "from" path should not conflict with another redirect
         $form_state['storage']['override_messages']['redirect-conflict'] = t('The base source path %source is already being redirected. Do you want to <a href="@edit-page">edit the existing redirect</a>?', array('%source' => $redirect->source, '@edit-page' => url('admin/config/search/redirect/edit/'. $existing->rid)));
diff -u b/redirect.module b/redirect.module
--- b/redirect.module
+++ b/redirect.module
@@ -247,14 +247,14 @@
 
   // Remove query string from request uri.
   $request_uri_parts = explode('?', request_uri());
-  $request_path = $request_uri_parts[0];
+  $request_path = urldecode($request_uri_parts[0]);
 
   // Redirect the front page to the root level.
   if ($is_front_page
       && variable_get('redirect_global_home', 1)
       && !variable_get('redirect_global_canonical_front', 0)
       && base_path() != $request_path
-      && "/$language->prefix" != $request_path) {
+      && base_path() . $language->prefix != $request_path) {
     return redirect_redirect((object)array('redirect' => '', 'type' => 'global'));
   }
 
@@ -263,7 +263,9 @@
   if ((!$is_front_page && variable_get('redirect_global_canonical', 1)
         || $is_front_page && variable_get('redirect_global_canonical_front', 0))
       && $alias != $path
-      && $alias != $original_path) {
+      && $alias != $original_path
+      && base_path() . $alias != $request_path
+      && base_path() . $language->prefix . '/' . $alias != $request_path) {
     return redirect_redirect((object)array('redirect' => $alias, 'type' => 'global'));
   }
 
@@ -337,7 +339,7 @@
 
   // Fetch the current redirect.
   if ($redirect = redirect_get_current_redirect()) {
-    redirect_redirect((object) reset($redirect));
+    redirect_redirect($redirect);
   }
 
   // Get the request URI without the $base_path prefix.
@@ -386,7 +388,7 @@
     redirect_redirect((object)array('redirect' => $request_uri . '/', 'type' => 'global'));
   }
 
-  // Force langauge prefix.
+  // Force language prefix.
   if (variable_get('redirect_global_language_prefix', 0) && module_exists('locale')) {
     require_once DRUPAL_ROOT . '/includes/language.inc';
     list($language, $raw_path) = language_url_split_prefix($request_uri, language_list());
@@ -648,7 +650,7 @@
       $context = array('language' => $language, 'query' => $query);
       drupal_alter('redirect_load_by_source', $redirects, $source, $context);
 
-      return !empty($redirects) ? $redirects : FALSE;
+      return !empty($redirects) ? reset($redirects) : FALSE;
     }
   }