diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
index bf9660f86b..52b6d16bfc 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
@@ -402,13 +402,16 @@ static rt_err_t stm32_hw_pwm_init(struct stm32_pwm *device)
         goto __exit;
     }
 
-    master_config.MasterOutputTrigger = TIM_TRGO_RESET;
-    master_config.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
-    if (HAL_TIMEx_MasterConfigSynchronization(tim, &master_config) != HAL_OK)
+    if(IS_TIM_MASTER_INSTANCE(tim->Instance))
     {
-        LOG_E("%s master config failed", device->name);
-        result = -RT_ERROR;
-        goto __exit;
+        master_config.MasterOutputTrigger = TIM_TRGO_RESET;
+        master_config.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+        if (HAL_TIMEx_MasterConfigSynchronization(tim, &master_config) != HAL_OK)
+        {
+            LOG_E("%s master config failed", device->name);
+            result = -RT_ERROR;
+            goto __exit;
+        }
     }
 
     oc_config.OCMode = TIM_OCMODE_PWM1;