diff --git a/firmware/can.cpp b/firmware/can.cpp
index 4736f43..8114ba8 100644
--- a/firmware/can.cpp
+++ b/firmware/can.cpp
@@ -43,7 +43,7 @@ static void SendAck()
 static HeaterAllow heaterAllow = HeaterAllow::Unknown;
 static float remoteBatteryVoltage = 0;
 
-static THD_WORKING_AREA(waCanRxThread, 256);
+static THD_WORKING_AREA(waCanRxThread, 512);
 void CanRxThread(void*)
 {
     while(1)