diff --git a/include/d/actor/d_a_e_vt.h b/include/d/actor/d_a_e_vt.h
index 5d6bf3dfd2..4b6082adae 100644
--- a/include/d/actor/d_a_e_vt.h
+++ b/include/d/actor/d_a_e_vt.h
@@ -159,8 +159,7 @@ private:
     /* 0x00958 */ mDoExt_3DlineMat1_c mRope;
     /* 0x00994 */ cXyz field_0x994[100];
     /* 0x00E44 */ csXyz field_0xe44[100];
-    /* 0x0109C */ u8 mRopeCutStatus[10];
-    /* 0x010A6 */ u8 field_0x10A6[0x01100 - 0x010A6];
+    /* 0x0109C */ u8 mRopeCutStatus[100];
     /* 0x01100 */ u8 mDrawRopes;
     /* 0x01101 */ u8 field_0x1101[0x01104 - 0x01101];
     /* 0x01104 */ f32 field_0x1104[10];
diff --git a/src/d/actor/d_a_e_vt.cpp b/src/d/actor/d_a_e_vt.cpp
index a52b02e598..b0b7d42ab0 100644
--- a/src/d/actor/d_a_e_vt.cpp
+++ b/src/d/actor/d_a_e_vt.cpp
@@ -167,6 +167,30 @@ static dCcD_SrcSph cc_vt_magic_src = {
     }  // mSphAttr
 };
 
+// !@bug The i<40 loops that index these arrays read one element past the end; on
+// GC/Wii the OOB reads land on adjacent rodata instead of a defined value.
+#if AVOID_UB
+static u8 va_tag_set_size[40] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+    0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+    0x02, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02,
+    0x00,
+};
+
+static u8 va_tag_set_num[40] = {
+    0x01, 0x0C, 0x16, 0x1F, 0x21, 0x2A, 0x2B, 0x02, 0x04, 0x0D, 0x0F, 0x15, 0x18,
+    0x20, 0x2C, 0x03, 0x05, 0x06, 0x0B, 0x10, 0x17, 0x19, 0x1A, 0x22, 0x24, 0x29,
+    0x2D, 0x34, 0x49, 0x52, 0x36, 0x3E, 0x54, 0x5C, 0x39, 0x41, 0x4C, 0x56, 0x5E,
+    0x00,
+};
+
+static f32 va_tag_offset[40] = {
+    20.0f, 20.0f, 20.0f, 20.0f, 20.0f, 0.0f,  40.0f, 0.0f, 30.0f, 10.0f, 0.0f,  0.0f,  20.0f,
+    0.0f,  10.0f, 20.0f, 40.0f, 0.0f,  20.0f, 0.0f,  0.0f, 20.0f, 0.0f,  10.0f, 0.0f,  0.0f,
+    20.0f, 10.0f, 20.0f, 30.0f, 0.0f,  10.0f, 20.0f, 0.0f, 0.0f,  10.0f, 20.0f, 30.0f, 0.0f,
+    0.0f,
+};
+#else
 static u8 va_tag_set_size[39] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
     0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
@@ -184,6 +208,7 @@ static f32 va_tag_offset[39] = {
     0.0f,  10.0f, 20.0f, 40.0f, 0.0f,  20.0f, 0.0f,  0.0f, 20.0f, 0.0f,  10.0f, 0.0f,  0.0f,
     20.0f, 10.0f, 20.0f, 30.0f, 0.0f,  10.0f, 20.0f, 0.0f, 0.0f,  10.0f, 20.0f, 30.0f, 0.0f,
 };
+#endif
 
 }  // namespace