diff --git a/cake/libs/http_socket.php b/cake/libs/http_socket.php
index a8c04a123..4b1bf3ac5 100644
--- a/cake/libs/http_socket.php
+++ b/cake/libs/http_socket.php
@@ -469,7 +469,7 @@ class HttpSocket extends CakeSocket {
 		$chunkLength = null;
 
 		while ($chunkLength !== 0) {
-			if (!preg_match("/^([0-9a-f]+)(?:;(.+)=(.+))?\r\n/iU", $body, $match)) {
+			if (!preg_match("/^([0-9a-f]+) *(?:;(.+)=(.+))?\r\n/iU", $body, $match)) {
 				if (!$this->quirksMode) {
 					trigger_error(__('HttpSocket::decodeChunkedBody - Could not parse malformed chunk. Activate quirks mode to do this.', true), E_USER_WARNING);
 					return false;
diff --git a/cake/tests/cases/libs/http_socket.test.php b/cake/tests/cases/libs/http_socket.test.php
index ec4062f9e..58bfb71cb 100644
--- a/cake/tests/cases/libs/http_socket.test.php
+++ b/cake/tests/cases/libs/http_socket.test.php
@@ -639,6 +639,10 @@ class HttpSocketTest extends UnitTestCase {
 		$this->assertIdentical($r['body'], $decoded);
 		$this->assertIdentical($r['header'], false);
 
+		$encoded = "19 \r\nThis is a chunked message\r\n0\r\n";
+		$r = $this->Socket->decodeChunkedBody($encoded);
+		$this->assertIdentical($r['body'], $decoded);
+
 		$encoded = "19\r\nThis is a chunked message\r\nE\r\n\nThat is cool\n\r\n0\r\n";
 		$decoded = "This is a chunked message\nThat is cool\n";
 		$r = $this->Socket->decodeChunkedBody($encoded);