diff --git a/chip/zcan_irq_dispatcher.cpp b/chip/zcan_irq_dispatcher.cpp
index 4010e55..47c25ca 100644
--- a/chip/zcan_irq_dispatcher.cpp
+++ b/chip/zcan_irq_dispatcher.cpp
@@ -80,7 +80,7 @@ void ZCanIRQDispatcher::regListener(ZCanIRQListener *listener) {
       return;
     }
   }
-  ZASSERT(0);
+  ZEARLY_ASSERT(0);
 }
 
 ZCanIRQDispatcher &ZCanIRQDispatcher::instance() {
diff --git a/chip/ztim.cpp b/chip/ztim.cpp
index a2db727..73fe1f0 100644
--- a/chip/ztim.cpp
+++ b/chip/ztim.cpp
@@ -76,7 +76,7 @@ void ZTIM::startPWM(uint32_t Channel, float duty) {
   sConfigOC.OCIdleState        = TIM_OCIDLESTATE_RESET;
   sConfigOC.OCNIdleState       = TIM_OCNIDLESTATE_RESET;
 
-  if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) {
+  if (HAL_TIM_PWM_ConfigChannel(m_htim, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) {
     Error_Handler();
   }
   HAL_TIM_PWM_Start(m_htim, Channel);