diff --git a/src/duskdolphin/asset/assetdolphindvd.c b/src/duskdolphin/asset/assetdolphindvd.c
index b4339bdc..d71a4730 100644
--- a/src/duskdolphin/asset/assetdolphindvd.c
+++ b/src/duskdolphin/asset/assetdolphindvd.c
@@ -10,8 +10,8 @@
 #include "util/string.h"
 #include "util/memory.h"
 
-#define ISO_SECTOR_SIZE   2048u
-#define ISO_PVD_SECTOR    16u
+#define ASSET_DOLPHIN_DVD_SECTOR_SIZE 2048u
+#define ASSET_DOLPHIN_DVD_PVD_SECTOR 16u
 
 errorret_t assetInitDolphinDVD(void) {
   DVD_Init();
@@ -19,7 +19,8 @@ errorret_t assetInitDolphinDVD(void) {
 
   // ISO 9660 Primary Volume Descriptor is at sector 16.
   u8 *pvd = (u8 *)assetDolphinDVDRead(
-    (s64)ISO_PVD_SECTOR * ISO_SECTOR_SIZE, ISO_SECTOR_SIZE
+    (s64)(ASSET_DOLPHIN_DVD_PVD_SECTOR * ASSET_DOLPHIN_DVD_SECTOR_SIZE),
+    ASSET_DOLPHIN_DVD_SECTOR_SIZE
   );
   if(!pvd) errorThrow("Failed to read ISO 9660 PVD.");
 
@@ -38,7 +39,7 @@ errorret_t assetInitDolphinDVD(void) {
   memoryFree(pvd);
 
   u8 *dir = (u8 *)assetDolphinDVDRead(
-    (s64)rootLBA * ISO_SECTOR_SIZE, rootSize
+    (s64)rootLBA * ASSET_DOLPHIN_DVD_SECTOR_SIZE, rootSize
   );
   if(!dir) errorThrow("Failed to read ISO 9660 root directory.");
 
@@ -51,7 +52,9 @@ errorret_t assetInitDolphinDVD(void) {
     u8 recLen = dir[pos];
     if(recLen == 0) {
       // Sector padding — skip to the start of the next sector.
-      pos = (pos + (ISO_SECTOR_SIZE - 1u)) & ~(ISO_SECTOR_SIZE - 1u);
+      pos = (
+        pos + (ASSET_DOLPHIN_DVD_SECTOR_SIZE - 1u)
+      ) & ~(ASSET_DOLPHIN_DVD_SECTOR_SIZE - 1u);
       continue;
     }
 
@@ -83,7 +86,7 @@ errorret_t assetInitDolphinDVD(void) {
   if(!fileLBA) errorThrow("Failed to find asset file on ISO.");
 
   u8 *data = (u8 *)assetDolphinDVDRead(
-    (s64)fileLBA * ISO_SECTOR_SIZE, fileSize
+    (s64)fileLBA * ASSET_DOLPHIN_DVD_SECTOR_SIZE, fileSize
   );
   if(!data) errorThrow("Failed to read asset file from ISO.");