diff --git a/demos/host/src/msc_app.c b/demos/host/src/msc_app.c
index 5bd66c9d..ddda6d3a 100644
--- a/demos/host/src/msc_app.c
+++ b/demos/host/src/msc_app.c
@@ -149,9 +149,12 @@ OSAL_TASK_FUNCTION( msc_app_task ) (void* p_task_para)
 {
   OSAL_TASK_LOOP_BEGIN
 
+  bool is_any_disk_mounted; 
+  
   osal_task_delay(10);
 
-  bool is_any_disk_mounted = false;
+  is_any_disk_mounted = false;
+  
   for(uint8_t phy_disk=0; phy_disk < TUSB_CFG_HOST_DEVICE_MAX; phy_disk++)
   {
     if ( disk_is_ready(phy_disk) )
diff --git a/tinyusb/host/hub.c b/tinyusb/host/hub.c
index 823b3930..72dd184a 100644
--- a/tinyusb/host/hub.c
+++ b/tinyusb/host/hub.c
@@ -95,8 +95,10 @@ tusb_error_t hub_port_clear_feature_subtask(uint8_t hub_addr, uint8_t hub_port,
   SUBTASK_ASSERT_STATUS( error );
 
   //------------- Check if feature is cleared -------------//
+  { // suppres compiler warning transfer of control bypasses initialization
   hub_port_status_response_t * p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
   SUBTASK_ASSERT( !BIT_TEST_(p_port_status->status_change.value, feature-16)  );
+  }
 
   OSAL_SUBTASK_END
 }
@@ -127,9 +129,11 @@ tusb_error_t hub_port_reset_subtask(uint8_t hub_addr, uint8_t hub_port)
   );
   SUBTASK_ASSERT_STATUS( error );
 
+  { // suppres compiler warning transfer of control bypasses initialization
   hub_port_status_response_t * p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
   SUBTASK_ASSERT ( p_port_status->status_change.reset && p_port_status->status_current.connect_status &&
                    p_port_status->status_current.port_power && p_port_status->status_current.port_enable);
+  }
 
   OSAL_SUBTASK_END
 }