diff --git a/bootloader/hos/hos.c b/bootloader/hos/hos.c
index 20db5f6..b287352 100644
--- a/bootloader/hos/hos.c
+++ b/bootloader/hos/hos.c
@@ -222,7 +222,7 @@ void hos_eks_get()
 
 		// Check if valid and for this unit.
 		if (eks->magic == HOS_EKS_MAGIC &&
-			eks->sbk_low == FUSE(FUSE_PRIVATE_KEY0))
+			eks->lot0 == FUSE(FUSE_OPT_LOT_CODE_0))
 		{
 			h_cfg.eks = eks;
 			return;
@@ -276,7 +276,7 @@ void hos_eks_save(u32 kb)
 			// Set magic and personalized info.
 			h_cfg.eks->magic = HOS_EKS_MAGIC;
 			h_cfg.eks->enabled[key_idx] = kb;
-			h_cfg.eks->sbk_low = FUSE(FUSE_PRIVATE_KEY0);
+			h_cfg.eks->lot0 = FUSE(FUSE_OPT_LOT_CODE_0);
 
 			// Copy new keys.
 			memcpy(h_cfg.eks->dkg, keys + 10 * 0x10, 0x10);
diff --git a/bootloader/hos/hos.h b/bootloader/hos/hos.h
index a8e9803..524b0c5 100644
--- a/bootloader/hos/hos.h
+++ b/bootloader/hos/hos.h
@@ -69,7 +69,7 @@ typedef struct _hos_eks_mbr_t
 	u8  enabled[5];
 	u8  enabled_bis;
 	u8  rsvd[2];
-	u32 sbk_low;
+	u32 lot0;
 	u8  dkg[0x10];
 	u8  dkk[0x10];
 	hos_eks_keys_t keys[5];
diff --git a/nyx/nyx_gui/hos/hos.c b/nyx/nyx_gui/hos/hos.c
index d4043bb..63bb28d 100644
--- a/nyx/nyx_gui/hos/hos.c
+++ b/nyx/nyx_gui/hos/hos.c
@@ -167,7 +167,7 @@ void hos_eks_get()
 
 		// Check if valid and for this unit.
 		if (eks->magic == HOS_EKS_MAGIC &&
-			eks->sbk_low == FUSE(FUSE_PRIVATE_KEY0))
+			eks->lot0 == FUSE(FUSE_OPT_LOT_CODE_0))
 		{
 			h_cfg.eks = eks;
 			return;
@@ -221,7 +221,7 @@ void hos_eks_save(u32 kb)
 			// Set magic and personalized info.
 			h_cfg.eks->magic = HOS_EKS_MAGIC;
 			h_cfg.eks->enabled[key_idx] = kb;
-			h_cfg.eks->sbk_low = FUSE(FUSE_PRIVATE_KEY0);
+			h_cfg.eks->lot0 = FUSE(FUSE_OPT_LOT_CODE_0);
 
 			// Copy new keys.
 			memcpy(h_cfg.eks->dkg, keys + 10 * 0x10, 0x10);
@@ -322,7 +322,7 @@ void hos_eks_bis_save()
 		// Set magic and personalized info.
 		h_cfg.eks->magic = HOS_EKS_MAGIC;
 		h_cfg.eks->enabled_bis = 1;
-		h_cfg.eks->sbk_low = FUSE(FUSE_PRIVATE_KEY0);
+		h_cfg.eks->lot0 = FUSE(FUSE_OPT_LOT_CODE_0);
 
 		// Copy new keys.
 		memcpy(h_cfg.eks->bis_keys[0].crypt, bis_keys + (0 * 0x10), 0x10);
diff --git a/nyx/nyx_gui/hos/hos.h b/nyx/nyx_gui/hos/hos.h
index c8830e8..fa93466 100644
--- a/nyx/nyx_gui/hos/hos.h
+++ b/nyx/nyx_gui/hos/hos.h
@@ -60,7 +60,7 @@ typedef struct _hos_eks_mbr_t
 	u8  enabled[5];
 	u8  enabled_bis;
 	u8  rsvd[2];
-	u32 sbk_low;
+	u32 lot0;
 	u8  dkg[0x10];
 	u8  dkk[0x10];
 	hos_eks_keys_t keys[5];