diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
index f30f93bc6..6f21af4f3 100644
--- a/src/class/cdc/cdc_device.h
+++ b/src/class/cdc/cdc_device.h
@@ -62,7 +62,7 @@ TU_VERIFY_STATIC(sizeof(tud_cdc_configure_t) == 1, "size is not correct");
 #define TUD_CDC_CONFIGURE_DEFAULT() { \
   .rx_persistent = false, \
   .tx_persistent = false, \
-  .tx_overwritabe_if_not_connected = false, \
+  .tx_overwritabe_if_not_connected = true, \
 }
 
 // Configure CDC driver behavior
diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c
index 4ba34c7dc..244251c5e 100644
--- a/src/class/msc/msc_device.c
+++ b/src/class/msc/msc_device.c
@@ -114,7 +114,7 @@ TU_ATTR_ALWAYS_INLINE static inline bool send_csw(mscd_interface_t* p_msc) {
   uint8_t rhport = p_msc->rhport;
   p_msc->csw.data_residue = p_msc->cbw.total_bytes - p_msc->xferred_len;
   p_msc->stage = MSC_STAGE_STATUS_SENT;
-  memcpy(_mscd_epbuf.buf, (uint8_t*) &p_msc->csw, sizeof(msc_csw_t)); //-V1086
+  memcpy(_mscd_epbuf.buf, &p_msc->csw, sizeof(msc_csw_t)); //-V1086
   return usbd_edpt_xfer(rhport, p_msc->ep_in , _mscd_epbuf.buf, sizeof(msc_csw_t));
 }
 
diff --git a/src/common/tusb_debug.h b/src/common/tusb_debug.h
index 905dc239c..08117283f 100644
--- a/src/common/tusb_debug.h
+++ b/src/common/tusb_debug.h
@@ -76,7 +76,7 @@ TU_ATTR_ALWAYS_INLINE static inline void tu_print_buf(uint8_t const* buf, uint32
 #define TU_LOG_FAILED()       (void) tu_printf("%s: %d: Failed\r\n", __PRETTY_FUNCTION__, __LINE__)
 
 // Log Level 1: Error
-#define TU_LOG1               (void) tu_printf
+#define TU_LOG1(...)          (void) tu_printf(__VA_ARGS__)
 #define TU_LOG1_MEM           tu_print_mem
 #define TU_LOG1_BUF(_x, _n)   tu_print_buf((uint8_t const*)(_x), _n)
 #define TU_LOG1_INT(_x)       (void) tu_printf(#_x " = %ld\r\n", (unsigned long) (_x) )