diff --git a/src/Curl/CurlClient.php b/src/Curl/CurlClient.php
index 6495d85f2ffa701f6a85d1c815c11daad9872d2e..e9e8092e20b62a92b345ddebadb9d6bd83f4cc54 100644
--- a/src/Curl/CurlClient.php
+++ b/src/Curl/CurlClient.php
@@ -156,7 +156,7 @@ class CurlClient implements HttpClient {
 	 */
 	private function extractResponseHeadersAndBody() {
 		$rawBody    = $this->rawResponse;
-		$rawHeaders = implode( "\r\n", $this->headers );
+		$rawHeaders = \trim( implode( "\r\n", $this->headers ) );
 
 		return [ $rawHeaders, $rawBody ];
 	}