diff --git a/init.lua b/init.lua
index beef2db..fdebd2c 100644
--- a/init.lua
+++ b/init.lua
@@ -177,8 +177,10 @@ local protector_formspec = function(meta)
 				checkbox_faction = true
 			end
 		else
-			if next(factions.get_player_faction(meta:get_string("owner"))) then
-				checkbox_faction = true
+			if factions.get_player_factions(meta:get_string("owner")) ~= nil then
+				if next(factions.get_player_faction(meta:get_string("owner"))) then
+					checkbox_faction = true
+				end
 			end
 		end
 	end