diff --git a/pkg/capabilities.go b/pkg/capabilities.go
index d68d1914..5c53c8da 100644
--- a/pkg/capabilities.go
+++ b/pkg/capabilities.go
@@ -18,6 +18,8 @@ func capabilityToCLI(cap string) string {
 		return "--video"
 	case "display":
 		return "--display"
+	case "ngx":
+		return "--ngx"
 	default:
 		log.Panicln("unknown driver capability:", cap)
 	}