diff --git a/client.go b/client.go
index 3ab93820..867af704 100644
--- a/client.go
+++ b/client.go
@@ -590,6 +590,8 @@ func (c *Client) checkResponse(resp *http.Response, err error) (*http.Response,
 func (c *Client) getErrorFromResponse(resp *http.Response) APIError {
 	// check whether the error response is declared as JSON
 	if !strings.HasPrefix(resp.Header.Get("Content-Type"), "application/json") {
+		defer resp.Body.Close()
+
 		aerr := APIError{
 			StatusCode: resp.StatusCode,
 			message:    fmt.Sprintf("HTTP response with status code %d does not contain Content-Type: application/json", resp.StatusCode),