diff --git a/Containers/mastercontainer/start.sh b/Containers/mastercontainer/start.sh
index 7424c436..bca074ae 100644
--- a/Containers/mastercontainer/start.sh
+++ b/Containers/mastercontainer/start.sh
@@ -285,7 +285,7 @@ fi
 
 # Check if auth.docker.io is reachable
 # Solves issues like https://github.com/nextcloud/all-in-one/discussions/5268
-if ! curl https://auth.docker.io/token | grep -q token; then
+if ! curl https://auth.docker.io/token 2>&1 | grep -q token; then
     print_red "Could not reach https://auth.docker.io."
     echo "Most likely is something blocking access to it."
     echo "You should be able to fix this by using https://github.com/nextcloud/all-in-one/tree/main/manual-install"