diff --git a/README.md b/README.md
index b5a0e1c..ae2cc12 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ ta4_jetpack requires the modpack 3d_armor. 3d_armor is itself a modpack and can'
 
 #### 2021-08-01
 
-Added Mods:
+Newly added mods (must be activated!):
 - networks
 - ta4_addons (Touchscreen)
 
diff --git a/techage/ta2_energy_storage/ta2_winch.lua b/techage/ta2_energy_storage/ta2_winch.lua
index d246a4b..c666ccd 100644
--- a/techage/ta2_energy_storage/ta2_winch.lua
+++ b/techage/ta2_energy_storage/ta2_winch.lua
@@ -56,7 +56,7 @@ end
 	
 local function add_chest_entity(pos, nvm)
 	local mem = techage.get_mem(pos)
-	local length = (nvm.length or MAX_ROPE_LEN) * (1 - nvm.load/nvm.capa)
+	local length = (nvm.length or MAX_ROPE_LEN) * (1 - (nvm.load or 0) / (nvm.capa or 1))
 	local y = pos.y - length - 1
 	techage.renew_rope(pos, length, true)
 	if mem.obj then