diff --git a/php/src/Docker/DockerActionManager.php b/php/src/Docker/DockerActionManager.php
index 29866965966..e3d782123f0 100644
--- a/php/src/Docker/DockerActionManager.php
+++ b/php/src/Docker/DockerActionManager.php
@@ -612,8 +612,11 @@ public function PullImage(Container $container) : void
         try {
             $this->guzzleClient->post($url);
         } catch (RequestException $e) {
+            $message = "Could not pull image " . $imageName . ". Please run 'sudo docker exec -it nextcloud-aio-mastercontainer docker pull " . $imageName . "' in order to find out why it failed.";
             if ($imageIsThere === false) {
-                throw new \Exception("Could not pull image " . $imageName . ". Please run 'sudo docker exec -it nextcloud-aio-mastercontainer docker pull " . $imageName . "' in order to find out why it failed.");
+                throw new \Exception($message);
+            } else {
+                error_log($message);
             }
         }
     }