diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 83fce2dba6..69660a3229 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -1148,7 +1148,8 @@ int16_t tps2Max;Full throttle#2. tpsMax value as 10 bit ADC value. Not Voltage!\
 	bit mc33810Gpgd2Mode
 	bit mc33810Gpgd3Mode
 	bit enableExtendedCanBroadcast
-	bit unusedBit_495_6
+! temporary for too much CAN RX processing kills Lua script #5841
+	bit luaCanRxWorkaround
 	bit unusedBit_495_7
 	bit unusedBit_495_8
 	bit unusedBit_495_9
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 662cc6c59b..32604b8ddc 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -4719,6 +4719,7 @@ dialog = tcuControls, "Transmission Settings"
     dialog = parkingLot2, "Experimental 2"
         field = dacOutputPins1,         dacOutputPins1
         field = dacOutputPins2,         dacOutputPins2
+        field = luaCanRxWorkaround,     luaCanRxWorkaround
         field = "Read RPM matching VSS profile",    canInputBCM
         field = auxSpeed1Multiplier,    auxSpeed1Multiplier
         field = useAuxSpeedForSlipRatio, useAuxSpeedForSlipRatio