diff --git a/scripts/showSMTPVersion.nse b/scripts/showSMTPVersion.nse
index f034da515..7569ed955 100644
--- a/scripts/showSMTPVersion.nse
+++ b/scripts/showSMTPVersion.nse
@@ -20,6 +20,6 @@ action = function(host, port)
 		return
 	end
 
-	return string.gsub(result, "\n", "")
+	return (string.gsub(result, "\n", ""))
 end