diff --git a/lua/metrostroi/systems/sys_81_717_electric.lua b/lua/metrostroi/systems/sys_81_717_electric.lua
index 0ad76c4..91020de 100644
--- a/lua/metrostroi/systems/sys_81_717_electric.lua
+++ b/lua/metrostroi/systems/sys_81_717_electric.lua
@@ -88,7 +88,7 @@ function TRAIN_SYSTEM:SolveAllInternalCircuits(Train,dT,firstIter)
     S["F7"] = S["F"]*KV["F-F7"]+S["14b"]*KRU["11/3-FR1"]
 
     Train:WriteTrainWire(5,S["10AK"]*KV["10AK-5"] + KRU["5/3-ZM31"]*-10)
-    Train:WriteTrainWire(4,S["10AK"]*KV["10AK-4"] + --[[max(0,min(1,T[4])*KV["4-0"]*-10)]]KV["4-0"]*-10)
+    Train:WriteTrainWire(4,S["10AK"]*KV["10AK-4"] + --[[max(0,min(1,T[4])*KV["4-0"]*-10)]]T[10]*KV["4-0"]*-10)
 
     Panel.LST = T[6]*Train.A40.Value
     Panel.LhRK = (T[2]+T[-2])*Train.A57.Value
@@ -1178,4 +1178,4 @@ function TRAIN_SYSTEM:Think(dT,iter)
     end
     if iter == 1 then self.Train.ResistorBlocks.InitializeResistances_81_717(self.Train) end
     return Metrostroi.BaseSystems["Electric"].Think(self,dT,iter)
-end
\ No newline at end of file
+end