diff --git a/docs/tr2/progress.txt b/docs/tr2/progress.txt
index 5b9153a00..5296bf434 100644
--- a/docs/tr2/progress.txt
+++ b/docs/tr2/progress.txt
@@ -1003,9 +1003,14 @@ typedef struct __unaligned {
 } GAME_VECTOR;
 
 typedef struct __unaligned {
-    int32_t x;
-    int32_t y;
-    int32_t z;
+    union {
+        struct __unaligned {
+            int32_t x;
+            int32_t y;
+            int32_t z;
+        };
+        XYZ_32 pos;
+    };
     int16_t data;
     int16_t flags;
 } OBJECT_VECTOR;
diff --git a/src/tr2/game/sound.c b/src/tr2/game/sound.c
index 23e6e0a31..470d2e0fa 100644
--- a/src/tr2/game/sound.c
+++ b/src/tr2/game/sound.c
@@ -165,9 +165,7 @@ void __cdecl Sound_UpdateEffects(void)
         OBJECT_VECTOR *sound = &g_SoundEffects[i];
         if ((g_FlipStatus && (sound->flags & SF_FLIP))
             || (!g_FlipStatus && (sound->flags & SF_UNFLIP))) {
-            Sound_Effect(
-                sound->data, (XYZ_32 *)sound,
-                SPM_NORMAL); // TODO: use proper pointer for this
+            Sound_Effect(sound->data, &sound->pos, SPM_NORMAL);
         }
     }
 
diff --git a/src/tr2/global/types.h b/src/tr2/global/types.h
index 8aaa9da3e..aab2f0b2d 100644
--- a/src/tr2/global/types.h
+++ b/src/tr2/global/types.h
@@ -693,9 +693,14 @@ typedef struct __unaligned {
 } GAME_VECTOR;
 
 typedef struct __unaligned {
-    int32_t x;
-    int32_t y;
-    int32_t z;
+    union {
+        struct __unaligned {
+            int32_t x;
+            int32_t y;
+            int32_t z;
+        };
+        XYZ_32 pos;
+    };
     int16_t data;
     int16_t flags;
 } OBJECT_VECTOR;