diff --git a/core/lib/Drupal/Core/Asset/AssetResolver.php b/core/lib/Drupal/Core/Asset/AssetResolver.php
index 87fd626..72fb51b 100644
--- a/core/lib/Drupal/Core/Asset/AssetResolver.php
+++ b/core/lib/Drupal/Core/Asset/AssetResolver.php
@@ -217,7 +217,7 @@ public function getJsAssets(AttachedAssetsInterface $assets, $optimize) {
     // Add the theme name to the cache key since themes may implement
     // hook_library_info_alter().
     $libraries_to_load = $this->getLibrariesToLoad($assets);
-    $cid = 'js:' . $theme_info->getName() . ':' . Crypt::hashBase64(serialize($libraries_to_load)) . (int) (count($assets->getSettings()) > 0) . (int) $optimize;
+    $cid = 'js:' . $theme_info->getName() . ':' .  $this->languageManager->getCurrentLanguage()->getId() . ':' . Crypt::hashBase64(serialize($libraries_to_load)) . (int) (count($assets->getSettings()) > 0) . (int) $optimize;
 
     if ($cached = $this->cache->get($cid)) {
       list($js_assets_header, $js_assets_footer, $settings, $settings_in_header) = $cached->data;
diff --git a/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php b/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php
index 80856ad..6126099 100644
--- a/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/AssetResolverTest.php
@@ -92,7 +92,20 @@ protected function setUp() {
     $this->themeManager->expects($this->any())
       ->method('getActiveTheme')
       ->willReturn($active_theme);
+
+    $this->languageManager = $this->getMock('\Drupal\Core\Language\LanguageManagerInterface');
+    $english = $this->getMock('\Drupal\Core\Language\LanguageInterface');
+    $english->expects($this->any())
+      ->method('getId')
+      ->willReturn('en');
+    $japanese = $this->getMock('\Drupal\Core\Language\LanguageInterface');
+    $japanese->expects($this->any())
+      ->method('getId')
+      ->willReturn('jp');
     $this->languageManager = $this->getMock('\Drupal\Core\Language\LanguageManagerInterface');
+    $this->languageManager->expects($this->any())
+      ->method('getCurrentLanguage')
+      ->will($this->onConsecutiveCalls($english, $english, $japanese, $japanese));
     $this->cache = new TestMemoryBackend('llama');
 
     $this->assetResolver = new AssetResolver($this->libraryDiscovery, $this->libraryDependencyResolver, $this->moduleHandler, $this->themeManager, $this->languageManager, $this->cache);
@@ -116,6 +129,10 @@ public function testGetJsAssets(AttachedAssetsInterface $assets_a, AttachedAsset
     $this->assetResolver->getJsAssets($assets_a, FALSE);
     $this->assetResolver->getJsAssets($assets_b, FALSE);
     $this->assertCount($expected_cache_item_count, $this->cache->getAllCids());
+
+    $this->assetResolver->getJsAssets($assets_a, FALSE);
+    $this->assetResolver->getJsAssets($assets_b, FALSE);
+    $this->assertCount($expected_cache_item_count * 2, $this->cache->getAllCids());
   }
 
   public function providerAttachedAssets() {