diff --git a/Classes/Transform/FlowErrorTransform.php b/Classes/Transform/FlowErrorTransform.php
index b1eba10..8dc14a5 100644
--- a/Classes/Transform/FlowErrorTransform.php
+++ b/Classes/Transform/FlowErrorTransform.php
@@ -34,7 +34,7 @@ public function transformResult(ExecutionResult $result): ExecutionResult
                 $message = $this->throwableStorage->logThrowable($previousError);
 
                 if (! $this->includeExceptionMessageInOutput) {
-                    $message = preg_replace('/.* - See also: (.+)\.txt$/', 'Internal error ($1)', $message);
+                    $message = preg_replace('/.* - See also: (.+)\.txt$/s', 'Internal error ($1)', $message);
                 }
 
                 return new Error(