diff --git a/src/Curl/Curl.php b/src/Curl/Curl.php
index 3b316c8..a78a7f7 100644
--- a/src/Curl/Curl.php
+++ b/src/Curl/Curl.php
@@ -336,12 +336,12 @@ class Curl
     public function exec($ch = null)
     {
         $this->responseCookies = array();
-        if (!($ch === null)) {
-            $this->rawResponse = curl_multi_getcontent($ch);
-        } else {
+        if ($ch === null) {
             $this->call($this->beforeSendFunction);
             $this->rawResponse = curl_exec($this->curl);
             $this->curlErrorCode = curl_errno($this->curl);
+        } else {
+            $this->rawResponse = curl_multi_getcontent($ch);
         }
         $this->curlErrorMessage = curl_error($this->curl);
         $this->curlError = !($this->curlErrorCode === 0);