diff --git a/MainModesArbiter.c b/MainModesArbiter.c
index 75cd4ba..8e471c0 100644
--- a/MainModesArbiter.c
+++ b/MainModesArbiter.c
@@ -44,9 +44,9 @@ static _Noreturn void Mma_Thread(tMma *env) {
 
         SystemDelayMs(1000);
 
-        if (osMutexAcquire(env->adcTask1.access, 1000) == osOK) {
-            temp1 = get_temperature_fast(env->adcTask1.ADC_Data[0], fast_lookup_Incar, 512);
-            osMutexRelease(env->adcTask1.access);
+        if (osMutexAcquire(env->adcTask0.access, 1000) == osOK) {
+            temp1 = get_temperature_fast(env->adcTask0.ADC_Data[0], fast_lookup_Incar, 512);
+            osMutexRelease(env->adcTask0.access);
             LoggerFormatInfo(&env->slog.logger, LOG_TASK_ARB, "Temp1 = %d", temp1)
         }