diff --git a/mods/ENTITIES/mcl_mobs/api.lua b/mods/ENTITIES/mcl_mobs/api.lua
index 873d05bf2..8064c5511 100644
--- a/mods/ENTITIES/mcl_mobs/api.lua
+++ b/mods/ENTITIES/mcl_mobs/api.lua
@@ -149,6 +149,11 @@ function mob_class:mob_activate(staticdata, def, dtime)
 
 	local tmp = minetest.deserialize(staticdata)
 
+	-- Patch incorrectly converted mobs
+	if tmp.base_mesh ~= minetest.registered_entities[self.name].mesh then
+		mcl_mobs.strip_staticdata(tmp)
+	end
+
 	if tmp then
 		for _,stat in pairs(tmp) do
 			self[_] = stat
diff --git a/mods/ENTITIES/mcl_mobs/init.lua b/mods/ENTITIES/mcl_mobs/init.lua
index dcd1bed4d..f9828c7d0 100644
--- a/mods/ENTITIES/mcl_mobs/init.lua
+++ b/mods/ENTITIES/mcl_mobs/init.lua
@@ -344,14 +344,17 @@ end -- END mcl_mobs.register_mob function
 
 
 local STRIP_FIELDS = { "mesh", "base_size", "textures", "base_mesh", "base_texture" }
+function mcl_mobs.strip_staticdata(staticdata)
+	-- Strip select fields from the staticdata to prevent conversion issues
+	for i = 1,#STRIP_FIELDS do
+		unpacked_staticdata[STRIP_FIELDS[i]] = nil
+	end
+end
 function mcl_mobs.register_conversion(old_name, new_name)
 	minetest.register_entity(old_name, {
 		on_activate = function(self, staticdata, dtime)
-			-- Strip select fields from the staticdata to prevent conversion issues
 			local unpacked_staticdata = minetest.deserialize(staticdata)
-			for i = 1,#STRIP_FIELDS do
-				unpacked_staticdata[STRIP_FIELDS[i]] = nil
-			end
+			mcl_mobs.strip_staticdata(unpacked_staticdata)
 			staticdata = minetest.serialize(unpacked_staticdata)
 
 			local old_object = self.object