diff --git a/system/cpuid.h b/system/cpuid.h
index d0e4786..8f65d2c 100644
--- a/system/cpuid.h
+++ b/system/cpuid.h
@@ -132,10 +132,10 @@ typedef union {
 typedef union {
     uint32_t        raw[4];
     struct {
-        uint32_t                : 24;
-        uint32_t    l1_i_size   : 8;
         uint32_t                : 24;
         uint32_t    l1_d_size   : 8;
+        uint32_t                : 24;
+        uint32_t    l1_i_size   : 8;
         uint32_t                : 16;
         uint32_t    l2_size     : 16;
         uint32_t                : 18;