diff --git a/portainer/rootfs/etc/cont-init.d/30-nginx.sh b/portainer/rootfs/etc/cont-init.d/30-nginx.sh
index 659b6ae5a..fc5e53314 100644
--- a/portainer/rootfs/etc/cont-init.d/30-nginx.sh
+++ b/portainer/rootfs/etc/cont-init.d/30-nginx.sh
@@ -12,9 +12,9 @@ if bashio::config.true 'ssl'; then
 portainer_protocol=https
 sed -i "s|9000|9443|g" /etc/nginx/includes/upstream.conf
 sed -i "s|9099 default_server|9099 ssl|g" /etc/nginx/templates/ingress.gtpl
-sed -i "7 i ssl_certificate /ssl/{{ .certfile }};" /etc/nginx/templates/ingress.gtpl 
-sed -i "7 i ssl_certificate_key /ssl/{{ .keyfile }};" /etc/nginx/templates/ingress.gtpl 
-sed -i "7 i error_page 497 301 =307 https://$host:$server_port$request_uri;" /etc/nginx/templates/ingress.gtpl 
+sed -i '7 i ssl_certificate /ssl/{{ .certfile }};' /etc/nginx/templates/ingress.gtpl 
+sed -i '7 i ssl_certificate_key /ssl/{{ .keyfile }};' /etc/nginx/templates/ingress.gtpl 
+sed -i '7 i error_page 497 301 =307 https://$host:$server_port$request_uri;' /etc/nginx/templates/ingress.gtpl 
 bashio::log.info "Ssl enabled, please use https for connection" 
 fi