diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index 349aab5..ad24e8d 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -1582,7 +1582,7 @@ function node_search_execute($keys = NULL, $conditions = NULL) {
       'node' => $node,
       'extra' => $extra,
       'score' => $item->calculated_score,
-      'snippet' => search_excerpt($keys, $node->rendered),
+      'snippet' => search_excerpt($keys, $node->rendered, $item->langcode),
       'langcode' => $node->langcode,
     );
   }
diff --git a/core/modules/search/search.api.php b/core/modules/search/search.api.php
index 4c24475..b16d5b7 100644
--- a/core/modules/search/search.api.php
+++ b/core/modules/search/search.api.php
@@ -246,7 +246,7 @@ function hook_search_execute($keys = NULL, $conditions = NULL) {
       'node' => $node,
       'extra' => $extra,
       'score' => $item->calculated_score,
-      'snippet' => search_excerpt($keys, $node->rendered),
+      'snippet' => search_excerpt($keys, $node->rendered, $item->langcode),
       'langcode' => $node->langcode,
     );
   }
@@ -312,7 +312,7 @@ function hook_search_page($results) {
  *
  * @ingroup search
  */
-function hook_search_preprocess($text) {
+function hook_search_preprocess($text, $langcode = NULL) {
   // Do processing on $text
   return $text;
 }
diff --git a/core/modules/search/search.module b/core/modules/search/search.module
index 7613465..a1ed6c3 100644
--- a/core/modules/search/search.module
+++ b/core/modules/search/search.module
@@ -430,7 +430,7 @@ function search_update_totals() {
  *
  * @see hook_search_preprocess()
  */
-function search_simplify($text) {
+function search_simplify($text, $langcode = NULL) {
   // Decode entities to UTF-8
   $text = decode_entities($text);
 
@@ -438,7 +438,7 @@ function search_simplify($text) {
   $text = drupal_strtolower($text);
 
   // Call an external processor for word handling.
-  search_invoke_preprocess($text);
+  search_invoke_preprocess($text, $langcode);
 
   // Simple CJK handling
   if (config('search.settings')->get('index.overlap_cjk')) {
@@ -554,9 +554,9 @@ function _search_index_truncate(&$text) {
 /**
  * Invokes hook_search_preprocess() in modules.
  */
-function search_invoke_preprocess(&$text) {
+function search_invoke_preprocess(&$text, $langcode = NULL) {
   foreach (module_implements('search_preprocess') as $module) {
-    $text = module_invoke($module, 'search_preprocess', $text);
+    $text = module_invoke($module, 'search_preprocess', $text, $langcode);
   }
 }
 
@@ -1109,7 +1109,7 @@ function search_data($keys, $module, $conditions = NULL) {
  * @return
  *   A string containing HTML for the excerpt.
  */
-function search_excerpt($keys, $text) {
+function search_excerpt($keys, $text, $langcode = NULL) {
   // We highlight around non-indexable or CJK characters.
   $boundary = '(?:(?<=[' . PREG_CLASS_UNICODE_WORD_BOUNDARY . PREG_CLASS_CJK . '])|(?=[' . PREG_CLASS_UNICODE_WORD_BOUNDARY . PREG_CLASS_CJK . ']))';
 
@@ -1156,7 +1156,7 @@ function search_excerpt($keys, $text) {
         $p = $match[0][1];
       }
       else {
-        $info = search_simplify_excerpt_match($key, $text, $included[$key], $boundary);
+        $info = search_simplify_excerpt_match($key, $text, $included[$key], $boundary, $langcode);
         if ($info['where']) {
           $p = $info['where'];
           if ($info['keyword']) {
@@ -1273,10 +1273,10 @@ function _search_excerpt_replace(&$text) {
  *   array with element 'where' giving the position of the match, and element
  *   'keyword' giving the actual word found in the text at that position.
  */
-function search_simplify_excerpt_match($key, $text, $offset, $boundary) {
+function search_simplify_excerpt_match($key, $text, $offset, $boundary, $langcode = NULL) {
   $pos = NULL;
-  $simplified_key = search_simplify($key);
-  $simplified_text = search_simplify($text);
+  $simplified_key = search_simplify($key, $langcode);
+  $simplified_text = search_simplify($text, $langcode);
 
   // Return immediately if simplified key or text are empty.
   if (!$simplified_key || !$simplified_text) {