diff --git a/Core/Src/ts_state_machine.c b/Core/Src/ts_state_machine.c
index 6faba77..84f1f13 100644
--- a/Core/Src/ts_state_machine.c
+++ b/Core/Src/ts_state_machine.c
@@ -51,10 +51,10 @@ void ts_sm_update() {
 }
 
 TSState ts_sm_update_inactive() {
-  if (ts_state.target_state == TS_ACTIVE) {
+  if (ts_state.target_state == TS_ACTIVE && sdc_closed) {
     precharge_95_reached_timestamp = 0;
     return TS_PRECHARGE;
-  } else if (ts_state.target_state == TS_CHARGING) {
+  } else if (ts_state.target_state == TS_CHARGING && sdc_closed) {
     charging_check_timestamp = HAL_GetTick();
     return TS_CHARGING_CHECK;
   }