diff --git a/stm-firmware/include/reflow-controller/safety/safety-config.h b/stm-firmware/include/reflow-controller/safety/safety-config.h
index f1e3d93..740365e 100644
--- a/stm-firmware/include/reflow-controller/safety/safety-config.h
+++ b/stm-firmware/include/reflow-controller/safety/safety-config.h
@@ -55,6 +55,7 @@ enum safety_flag {
 	ERR_FLAG_SAFETY_MEM_CORRUPT = (1<<15),
 	ERR_FLAG_SAFETY_TAB_CORRUPT = (1<<16),
 	ERR_FLAG_AMON_SUPPLY_VOLT = (1<<17),
+	ERR_FLAG_OVERTEMP = (1<<18),
 };
 
 /**
@@ -156,6 +157,7 @@ enum analog_value_monitor {
 					ERR_FLAG_PERSIST_ENTRY(ERR_FLAG_SAFETY_MEM_CORRUPT, true), \
 					ERR_FLAG_PERSIST_ENTRY(ERR_FLAG_SAFETY_TAB_CORRUPT, true), \
 					ERR_FLAG_PERSIST_ENTRY(ERR_FLAG_AMON_SUPPLY_VOLT, false), \
+					ERR_FLAG_PERSIST_ENTRY(ERR_FLAG_OVERTEMP, false), \
 
 #define SAFETY_CONFIG_DEFAULT_WEIGHTS 	ERR_FLAG_WEIGHT_ENTRY(ERR_FLAG_MEAS_ADC_OFF, SAFETY_FLAG_CONFIG_WEIGHT_PID), \
 			ERR_FLAG_WEIGHT_ENTRY(ERR_FLAG_MEAS_ADC_WATCHDOG, SAFETY_FLAG_CONFIG_WEIGHT_PID), \
@@ -177,5 +179,6 @@ enum analog_value_monitor {
 			ERR_FLAG_WEIGHT_ENTRY(ERR_FLAG_SAFETY_MEM_CORRUPT, SAFETY_FLAG_CONFIG_WEIGHT_PID), \
 			ERR_FLAG_WEIGHT_ENTRY(ERR_FLAG_SAFETY_TAB_CORRUPT, SAFETY_FLAG_CONFIG_WEIGHT_PANIC), \
 			ERR_FLAG_WEIGHT_ENTRY(ERR_FLAG_AMON_SUPPLY_VOLT, SAFETY_FLAG_CONFIG_WEIGHT_PID), \
+			ERR_FLAG_WEIGHT_ENTRY(ERR_FLAG_OVERTEMP, SAFETY_FLAG_CONFIG_WEIGHT_PID), \
 
 #endif /* __SAFETY_CONFIG_H__ */
diff --git a/stm-firmware/safety/safety-controller.c b/stm-firmware/safety/safety-controller.c
index 17affc0..06c85fc 100644
--- a/stm-firmware/safety/safety-controller.c
+++ b/stm-firmware/safety/safety-controller.c
@@ -166,6 +166,7 @@ static volatile struct error_flag IN_SECTION(.ccm.data) flags[] = {
 	ERR_FLAG_ENTRY(ERR_FLAG_SAFETY_MEM_CORRUPT),
 	ERR_FLAG_ENTRY(ERR_FLAG_SAFETY_TAB_CORRUPT),
 	ERR_FLAG_ENTRY(ERR_FLAG_AMON_SUPPLY_VOLT),
+	ERR_FLAG_ENTRY(ERR_FLAG_OVERTEMP),
 };
 
 /**