diff --git a/src/racing/math_util.c b/src/racing/math_util.c
index eb8daa5cca..be8147dd5d 100644
--- a/src/racing/math_util.c
+++ b/src/racing/math_util.c
@@ -420,10 +420,10 @@ void func_802B5CAC(s16 arg0, s16 arg1, Vec3f arg2) {
 }
 
 void func_802B5D30(s16 arg0, s16 arg1, s32 arg2) {
-    func_802B5D64(0x9000000, arg0, arg1, arg2);
+    func_802B5D64((Lights1 *)0x9000000, arg0, arg1, arg2);
 }
 
-void func_802B5D64(uintptr_t addr, s16 arg1, s16 arg2, s32 arg3) {
+void func_802B5D64(Lights1 *addr, s16 arg1, s16 arg2, s32 arg3) {
     u32 segment = SEGMENT_NUMBER2(addr);
     u32 offset = SEGMENT_OFFSET(addr);
     UNUSED s32 pad;
diff --git a/src/racing/math_util.h b/src/racing/math_util.h
index 0dbb2ac836..ddf73471b8 100644
--- a/src/racing/math_util.h
+++ b/src/racing/math_util.h
@@ -40,7 +40,7 @@ void mtxf_s16_rotate_z(Mat4, s16);
 void func_802B5B14(Vec3f b, Vec3s rotate); // unused
 void func_802B5CAC(s16, s16, Vec3f);
 void func_802B5D30(s16, s16, s32);
-void func_802B5D64(uintptr_t, s16, s16, s32);
+void func_802B5D64(Lights1*, s16, s16, s32);
 void mtxf_scale(Mat4, f32);
 void mtxf_pos_rotation_xyz(Mat4, Vec3f, Vec3s);
 void mtxf_translate_vec3f_mat3(Vec3f, Mat3);
diff --git a/src/racing/render_courses.c b/src/racing/render_courses.c
index b0a30c32f6..ee55748739 100644
--- a/src/racing/render_courses.c
+++ b/src/racing/render_courses.c
@@ -947,7 +947,7 @@ void render_moo_moo_farm(struct UnkStruct_800DC5EC* arg0) {
     s16 temp_s0 = arg0->pathCounter;
     s16 temp_s1 = arg0->playerDirection;
 
-    func_802B5D64((uintptr_t) D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
@@ -1012,7 +1012,7 @@ void render_moo_moo_farm(struct UnkStruct_800DC5EC* arg0) {
 void render_toads_turnpike(struct UnkStruct_800DC5EC* arg0) {
     UNUSED s32 pad[13];
 
-    func_802B5D64((uintptr_t) &D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
@@ -1039,7 +1039,7 @@ void render_toads_turnpike(struct UnkStruct_800DC5EC* arg0) {
 
 void render_kalimari_desert(struct UnkStruct_800DC5EC* arg0) {
 
-    func_802B5D64((uintptr_t) D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
 
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
@@ -1168,7 +1168,7 @@ void render_wario_stadium(struct UnkStruct_800DC5EC* arg0) {
 
 void render_block_fort(UNUSED struct UnkStruct_800DC5EC* arg0) {
 
-    func_802B5D64((uintptr_t) &D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
@@ -1177,7 +1177,7 @@ void render_block_fort(UNUSED struct UnkStruct_800DC5EC* arg0) {
 }
 
 void render_skyscraper(UNUSED struct UnkStruct_800DC5EC* arg0) {
-    func_802B5D64((uintptr_t) &D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
@@ -1201,7 +1201,7 @@ void render_skyscraper(UNUSED struct UnkStruct_800DC5EC* arg0) {
 
 void render_double_deck(UNUSED struct UnkStruct_800DC5EC* arg0) {
 
-    func_802B5D64((uintptr_t) D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
@@ -1213,8 +1213,8 @@ void render_double_deck(UNUSED struct UnkStruct_800DC5EC* arg0) {
 
 void render_dks_jungle_parkway(struct UnkStruct_800DC5EC* arg0) {
 
-    func_802B5D64((uintptr_t) D_800DC610, D_802B87D4, 0, 1);
-    func_802B5D64((uintptr_t) &D_800DC610[1], D_802B87D4, D_802B87D0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(&D_800DC610[1], D_802B87D4, D_802B87D0, 1);
 
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_CULL_BACK | G_LIGHTING);
@@ -1239,7 +1239,7 @@ void render_big_donut(struct UnkStruct_800DC5EC* arg0) {
 
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
     gSPClearGeometryMode(gDisplayListHead++, G_LIGHTING);
-    func_802B5D64((uintptr_t) D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADING_SMOOTH);
 
@@ -1326,7 +1326,7 @@ void func_8029569C(void) {
 
 void render_course(struct UnkStruct_800DC5EC* arg0) {
 
-    func_802B5D64((uintptr_t) D_800DC610, D_802B87D4, 0, 1);
+    func_802B5D64(D_800DC610, D_802B87D4, 0, 1);
     if (creditsRenderMode) {
         func_8029569C();
         return;
@@ -1514,7 +1514,7 @@ void func_80295D88(void) {
             D_8015F8E4 = -80.0f;
             break;
         case COURSE_YOSHI_VALLEY:
-            func_802B5D64((uintptr_t) &d_course_yoshi_valley_lights4, -0x38F0, 0x1C70, 1);
+            func_802B5D64(&d_course_yoshi_valley_lights4, -0x38F0, 0x1C70, 1);
             parse_course_displaylists((uintptr_t) d_course_yoshi_valley_addr);
             func_80295C6C();
             D_8015F8E4 = gCourseMinY - 10.0f;