# Pastebin 3wK2bM47
--- a/src/common/tusb_types.h
+++ b/src/common/tusb_types.h
@@ -443,7 +443,7 @@ static inline uint8_t descriptor_len(uint8_t const p_desc[])
 #define TUD_DESC_STRLEN(_slen)      (2*(_slen) + 2)

 // Header of string descriptors with len + string type
-#define TUD_DESC_STR_HEADER(_slen)  ( (uint16_t) ( (TUSB_DESC_STRING << 8 ) | TUD_DESC_STRLEN(_slen)) )
+#define TUD_DESC_STR_HEADER(_slen)  ( (uint16_t) ( (TUSB_DESC_STRING ) | TUD_DESC_STRLEN(_slen) << 8) )