diff --git a/plugins/nginx-vhosts/docker-args-process-deploy b/plugins/nginx-vhosts/docker-args-process-deploy
index a20e10819..78b06cb98 100755
--- a/plugins/nginx-vhosts/docker-args-process-deploy
+++ b/plugins/nginx-vhosts/docker-args-process-deploy
@@ -30,27 +30,48 @@ trigger-nginx-vhosts-docker-args-process-deploy() {
   # ensure we have a port mapping
   plugn trigger ports-configure "$APP"
 
-  output="$output '--label=nginx.access-log-format=$(fn-nginx-access-log-format "$APP")'"
-  output="$output '--label=nginx.bind-address-ipv4=$(fn-nginx-bind-address-ipv4 "$APP")'"
-  output="$output '--label=nginx.bind-address-ipv6=$(fn-nginx-bind-address-ipv6 "$APP")'"
-  output="$output '--label=nginx.client-max-body-size=$(fn-nginx-client-max-body-size "$APP")'"
-  output="$output '--label=nginx.hsts-include-subdomains=$(fn-nginx-hsts-include-subdomains "$APP")'"
-  output="$output '--label=nginx.hsts-max-age=$(fn-nginx-hsts-max-age "$APP")'"
-  output="$output '--label=nginx.hsts-preload=$(fn-nginx-hsts-preload "$APP")'"
-  output="$output '--label=nginx.hsts=$(fn-nginx-hsts-is-enabled "$APP")'"
-  output="$output '--label=nginx.https-port=443'"
-  output="$output '--label=nginx.domains=$(plugn trigger domains-list "$APP" | xargs)'"
-  output="$output '--label=nginx.initial-network=$(plugn trigger network-get-property "$APP" initial-network)'"
-  output="$output '--label=nginx.port-mapping=$(plugn trigger ports-get "$APP" | xargs)'"
-  output="$output '--label=nginx.proxy-buffer-size=$(fn-nginx-proxy-buffer-size "$APP")'"
-  output="$output '--label=nginx.proxy-buffering=$(fn-nginx-proxy-buffering "$APP")'"
-  output="$output '--label=nginx.proxy-buffers=$(fn-nginx-proxy-buffers "$APP")'"
-  output="$output '--label=nginx.proxy-busy-buffer-size=$(fn-nginx-proxy-busy-buffers-size "$APP")'"
-  output="$output '--label=nginx.proxy-read-timeout=$(fn-nginx-proxy-read-timeout "$APP")'"
-  output="$output '--label=nginx.x-forwarded-for-value=$(fn-nginx-x-forwarded-for-value "$APP")'"
-  output="$output '--label=nginx.x-forwarded-port-value=$(fn-nginx-x-forwarded-port-value "$APP")'"
-  output="$output '--label=nginx.x-forwarded-proto-value=$(fn-nginx-x-forwarded-proto-value "$APP")'"
-  output="$output '--label=nginx.x-forwarded-ssl=$(fn-nginx-x-forwarded-ssl "$APP")'"
+  value="$(fn-nginx-access-log-format "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.access-log-format=$value'"
+  value="$(fn-nginx-bind-address-ipv4 "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.bind-address-ipv4=$value'"
+  value="$(fn-nginx-bind-address-ipv6 "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.bind-address-ipv6=$value'"
+  value="$(fn-nginx-client-max-body-size "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.client-max-body-size=$value'"
+  value="$(fn-nginx-hsts-include-subdomains "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.hsts-include-subdomains=$value'"
+  value="$(fn-nginx-hsts-max-age "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.hsts-max-age=$value'"
+  value="$(fn-nginx-hsts-preload "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.hsts-preload=$value'"
+  value="$(fn-nginx-hsts-is-enabled "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.hsts=$value'"
+  value="443"
+  [[ -n "$value" ]] && output="$output '--label=nginx.https-port=$value'"
+  value="$(plugn trigger domains-list "$APP" | xargs)"
+  [[ -n "$value" ]] && output="$output '--label=nginx.domains=$value'"
+  value="$(plugn trigger network-get-property "$APP" initial-network)"
+  [[ -n "$value" ]] && output="$output '--label=nginx.initial-network=$value'"
+  value="$(plugn trigger ports-get "$APP" | xargs)"
+  [[ -n "$value" ]] && output="$output '--label=nginx.port-mapping=$value'"
+  value="$(fn-nginx-proxy-buffer-size "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.proxy-buffer-size=$value'"
+  value="$(fn-nginx-proxy-buffering "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.proxy-buffering=$value'"
+  value="$(fn-nginx-proxy-buffers "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.proxy-buffers=$value'"
+  value="$(fn-nginx-proxy-busy-buffers-size "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.proxy-busy-buffer-size=$value'"
+  value="$(fn-nginx-proxy-read-timeout "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.proxy-read-timeout=$value'"
+  value="$(fn-nginx-x-forwarded-for-value "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.x-forwarded-for-value=$value'"
+  value="$(fn-nginx-x-forwarded-port-value "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.x-forwarded-port-value=$value'"
+  value="$(fn-nginx-x-forwarded-proto-value "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.x-forwarded-proto-value=$value'"
+  value="$(fn-nginx-x-forwarded-ssl "$APP")"
+  [[ -n "$value" ]] && output="$output '--label=nginx.x-forwarded-ssl=$value'"
 
   echo -n "$STDIN$output"
 }