diff --git a/src/Curl/Curl.php b/src/Curl/Curl.php
index 94f3469..38a11ee 100644
--- a/src/Curl/Curl.php
+++ b/src/Curl/Curl.php
@@ -346,6 +346,12 @@ class Curl
             $this->curlErrorMessage = curl_error($ch);
         }
         $this->curlError = !($this->curlErrorCode === 0);
+
+        // Include additional error code information in error message when possible.
+        if ($this->curlError && function_exists('curl_strerror')) {
+            $this->curlErrorMessage = curl_strerror($this->curlErrorCode) . ': ' . $this->curlErrorMessage;
+        }
+
         $this->httpStatusCode = $this->getInfo(CURLINFO_HTTP_CODE);
         $this->httpError = in_array(floor($this->httpStatusCode / 100), array(4, 5));
         $this->error = $this->curlError || $this->httpError;