diff --git a/src/Support/PhpDoc.php b/src/Support/PhpDoc.php
index ed794fc..9f8c84f 100644
--- a/src/Support/PhpDoc.php
+++ b/src/Support/PhpDoc.php
@@ -85,6 +85,7 @@ class PhpDoc
             ->implode("\n");
 
         $text = Str::of($text)
+            ->replace("\r\n", "\n")
             ->trim()
             ->explode("\n\n", 2);
 
diff --git a/tests/PhpDoc/PhpDocSummaryTest.php b/tests/PhpDoc/PhpDocSummaryTest.php
new file mode 100644
index 0000000..27e0c61
--- /dev/null
+++ b/tests/PhpDoc/PhpDocSummaryTest.php
@@ -0,0 +1,22 @@
+<?php
+
+use Dedoc\Scramble\Support\PhpDoc;
+
+it('extracts summary and description', function (string $eol) {
+    $phpDoc = str_replace("\n", $eol, <<<'EOD'
+    /**
+     * This is summary.
+     *
+     * This is a description.
+     * It can span multiple lines.
+     */
+    EOD);
+
+    $node = PhpDoc::parse($phpDoc);
+
+    expect($node->getAttribute('summary'))->toBe('This is summary.')
+        ->and($node->getAttribute('description'))->toBe("This is a description.\nIt can span multiple lines.");
+})->with([
+    'LF' => ["\n"],
+    'CRLF' => ["\r\n"],
+]);