diff --git a/interface_mobs_api.lua b/interface_mobs_api.lua
index 68f676c..aeccc2c 100644
--- a/interface_mobs_api.lua
+++ b/interface_mobs_api.lua
@@ -176,9 +176,13 @@ mobs.mob_class.update_tag = function(self, newname)
 	local hp_max = 0
 	if(prop) then
 		hp_max = prop.hp_max
-	else
+	end
+	if(not(hp_max)) then
 		hp_max = self.hp_max
 	end
+	if(not(hp_max)) then
+		hp_max = self.health
+	end
 	local qua = hp_max / 6
 
 	if(self.force_nametag_color) then