diff --git a/src/Flowmailer.php b/src/Flowmailer.php
index 11f2af6..1e72f57 100644
--- a/src/Flowmailer.php
+++ b/src/Flowmailer.php
@@ -380,8 +380,8 @@ function ($exception) use ($guzzlePromise) {
                         } else {
                             $guzzlePromise->reject($exception);
                         }
-                    } catch (\Exception $exception) {
-                        $guzzlePromise->reject($exception);
+                    } catch (\Exception $caughtError) {
+                        $guzzlePromise->reject($caughtError);
                     }
 
                     throw $exception;