diff --git a/src/lint/linter/ArcanistXHPASTLinter.php b/src/lint/linter/ArcanistXHPASTLinter.php
index bb952d31..2373d772 100644
--- a/src/lint/linter/ArcanistXHPASTLinter.php
+++ b/src/lint/linter/ArcanistXHPASTLinter.php
@@ -2736,6 +2736,10 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
       $after = last($value->getTokens())->getNextToken();
 
       if ($multiline && (!$after || $after->getValue() != ',')) {
+        if ($value->getChildByIndex(1)->getTypeName() == 'n_HEREDOC') {
+          continue;
+        }
+
         $this->raiseLintAtNode(
           $value,
           self::LINT_ARRAY_SEPARATOR,
diff --git a/src/lint/linter/__tests__/xhpast/array-comma.lint-test b/src/lint/linter/__tests__/xhpast/array-comma.lint-test
index 74856a04..031f3f3c 100644
--- a/src/lint/linter/__tests__/xhpast/array-comma.lint-test
+++ b/src/lint/linter/__tests__/xhpast/array-comma.lint-test
@@ -15,6 +15,11 @@ array(
   'foo',
   array('foo')
 );
+array(
+  'foo' => <<<EOTEXT
+This is some heredoc text.
+EOTEXT
+);
 ~~~~~~~~~~
 advice:3:14
 advice:12:3
@@ -37,3 +42,8 @@ array(
   'foo',
   array('foo'),
 );
+array(
+  'foo' => <<<EOTEXT
+This is some heredoc text.
+EOTEXT
+);