diff --git a/src/Symfony/Component/Translation/Extractor/PhpExtractor.php b/src/Symfony/Component/Translation/Extractor/PhpExtractor.php
index 7f4c6e60394c..8ded66d20a34 100644
--- a/src/Symfony/Component/Translation/Extractor/PhpExtractor.php
+++ b/src/Symfony/Component/Translation/Extractor/PhpExtractor.php
@@ -226,7 +226,10 @@ protected function parseTokens($tokens, MessageCatalogue $catalog)
                     } elseif (self::METHOD_ARGUMENTS_TOKEN === $item) {
                         $this->skipMethodArgument($tokenIterator);
                     } elseif (self::DOMAIN_TOKEN === $item) {
-                        $domain = $this->getValue($tokenIterator);
+                        $domainToken = $this->getValue($tokenIterator);
+                        if ('' !== $domainToken) {
+                            $domain = $domainToken;
+                        }
 
                         break;
                     } else {
diff --git a/src/Symfony/Component/Translation/Tests/Extractor/PhpExtractorTest.php b/src/Symfony/Component/Translation/Tests/Extractor/PhpExtractorTest.php
index 73ccb07cfb07..7cde108080cd 100644
--- a/src/Symfony/Component/Translation/Tests/Extractor/PhpExtractorTest.php
+++ b/src/Symfony/Component/Translation/Tests/Extractor/PhpExtractorTest.php
@@ -52,6 +52,7 @@ public function testExtraction($resource)
                 $expectedNowdoc => 'prefix'.$expectedNowdoc,
                 '{0} There is no apples|{1} There is one apple|]1,Inf[ There are %count% apples' => 'prefix{0} There is no apples|{1} There is one apple|]1,Inf[ There are %count% apples',
                 'concatenated message with heredoc and nowdoc' => 'prefixconcatenated message with heredoc and nowdoc',
+                'default domain' => 'prefixdefault domain',
             ],
             'not_messages' => [
                 'other-domain-test-no-params-short-array' => 'prefixother-domain-test-no-params-short-array',
diff --git a/src/Symfony/Component/Translation/Tests/fixtures/extractor/translation.html.php b/src/Symfony/Component/Translation/Tests/fixtures/extractor/translation.html.php
index 55520203c6cb..5085eab439cd 100644
--- a/src/Symfony/Component/Translation/Tests/fixtures/extractor/translation.html.php
+++ b/src/Symfony/Component/Translation/Tests/fixtures/extractor/translation.html.php
@@ -55,3 +55,5 @@
 <?php echo $view['translator']->trans('typecast', ['a' => (int) '123'], 'not_messages'); ?>
 <?php echo $view['translator']->transChoice('msg1', 10 + 1, [], 'not_messages'); ?>
 <?php echo $view['translator']->transChoice('msg2', ceil(4.5), [], 'not_messages'); ?>
+
+<?php echo $view['translator']->trans('default domain', [], null); ?>