diff --git a/src/utility/SdInfo.h b/src/utility/SdInfo.h
index 6a0e087..6e04bc1 100644
--- a/src/utility/SdInfo.h
+++ b/src/utility/SdInfo.h
@@ -190,8 +190,8 @@ typedef struct CSDV2 {
   unsigned write_blk_misalign : 1;
   unsigned read_bl_partial : 1;
   // byte 7
-  unsigned reserved3 : 2;
   unsigned c_size_high : 6;
+  unsigned reserved3 : 2;
   // byte 8
   uint8_t c_size_mid;
   // byte 9