diff --git a/nextcloud-aio-helm-chart/update-helm.sh b/nextcloud-aio-helm-chart/update-helm.sh
index d403cc24653..6fe1c10bc09 100755
--- a/nextcloud-aio-helm-chart/update-helm.sh
+++ b/nextcloud-aio-helm-chart/update-helm.sh
@@ -160,7 +160,7 @@ for variable in "${DEPLOYMENTS[@]}"; do
     fi
 done
 # shellcheck disable=SC1083
-find ./ -name '*.yaml' -exec sed -i "s|nextcloud-aio-namespace|\{\{ .Values.NAMESPACE \}\}|" \{} \; 
+find ./ -name '*.yaml' -exec sed -i 's|nextcloud-aio-namespace|"\{\{ .Values.NAMESPACE \}\}"|' \{} \; 
 # shellcheck disable=SC1083
 find ./ -name '*service.yaml' -exec sed -i "/^status:/,$ d" \{} \; 
 # shellcheck disable=SC1083