diff --git a/waf.lua b/waf.lua
index bc9821c..257bb84 100644
--- a/waf.lua
+++ b/waf.lua
@@ -70,6 +70,9 @@ elseif PostCheck then
 			end
 			for key, val in pairs(args) do
 				if type(val) == "table" then
+					if type(val[1]) == "boolean" then
+						return
+					end
 					data=table.concat(val, ", ")
 				else
 					data=val