diff --git a/src/libultra/voice/voicegetreaddata.c b/src/libultra/voice/voicegetreaddata.c
index 25a7f3026..40d7b5b0b 100644
--- a/src/libultra/voice/voicegetreaddata.c
+++ b/src/libultra/voice/voicegetreaddata.c
@@ -6,28 +6,28 @@ s32 osVoiceGetReadData(OSVoiceHandle* hd, OSVoiceData* result) {
     u8 temp_t9;
     u8 new_var2;
     union {
-        u8 sp38[40];
-        u32 sp38_32[10];
+        u8 data[40];
+        u32 data32[10];
     } u;
     s32 i;
 
     switch (hd->mode) {
         case 1:
-            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.sp38[39]);
+            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.data[39]);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            if (u.sp38[39] & 1) {
+            if (u.data[39] & 1) {
                 return CONT_ERR_NOT_READY;
             }
 
-            errorCode = __osVoiceContRead2(hd->mq, hd->port, 0, u.sp38);
+            errorCode = __osVoiceContRead2(hd->mq, hd->port, 0, u.data);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            temp_t9 = u.sp38[0] & 7;
+            temp_t9 = u.data[0] & 7;
             hd->status = temp_t9;
             D_8009CF60 = temp_t9;
             if ((temp_t9 != 0) && (temp_t9 != 7)) {
@@ -36,17 +36,17 @@ s32 osVoiceGetReadData(OSVoiceHandle* hd, OSVoiceData* result) {
         case 2:
             hd->mode = 2;
 
-            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.sp38[39]);
+            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.data[39]);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            if (u.sp38[39] & 2) {
+            if (u.data[39] & 2) {
                 return CONT_ERR_VOICE_NO_RESPONSE;
             }
 
-            u.sp38_32[0] = 0x600;
-            errorCode = __osVoiceContWrite4(hd->mq, hd->port, 0, u.sp38);
+            u.data32[0] = 0x600;
+            errorCode = __osVoiceContWrite4(hd->mq, hd->port, 0, u.data);
             if (errorCode != 0) {
                 return errorCode;
             }
@@ -54,29 +54,29 @@ s32 osVoiceGetReadData(OSVoiceHandle* hd, OSVoiceData* result) {
         case 3:
             hd->mode = 3;
 
-            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.sp38[39]);
+            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.data[39]);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            if (u.sp38[39] & 1) {
+            if (u.data[39] & 1) {
                 return CONT_ERR_VOICE_NO_RESPONSE;
             }
 
-            errorCode = __osVoiceContRead36(hd->mq, hd->port, 0, u.sp38);
+            errorCode = __osVoiceContRead36(hd->mq, hd->port, 0, u.data);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            result->warning = u.sp38[4] + (u.sp38[5] << 8);
-            result->answer_num = u.sp38[6];
-            result->voice_level = u.sp38[8] + (u.sp38[9] << 8);
-            result->voice_sn = u.sp38[10] + (u.sp38[11] << 8);
-            result->voice_time = u.sp38[12] + (u.sp38[13] << 8);
+            result->warning = u.data[4] + (u.data[5] << 8);
+            result->answer_num = u.data[6];
+            result->voice_level = u.data[8] + (u.data[9] << 8);
+            result->voice_sn = u.data[10] + (u.data[11] << 8);
+            result->voice_time = u.data[12] + (u.data[13] << 8);
 
             for (i = 0; i < 5; i++) {
-                result->answer[i] = u.sp38[14 + 4 * (i ^ 0)] + (u.sp38[15 + 4 * (i ^ 0)] << 8);
-                result->distance[i] = u.sp38[16 + 4 * (i ^ 0)] + (u.sp38[17 + 4 * (i ^ 0)] << 8);
+                result->answer[i] = u.data[14 + 4 * (i ^ 0)] + (u.data[15 + 4 * (i ^ 0)] << 8);
+                result->distance[i] = u.data[16 + 4 * (i ^ 0)] + (u.data[17 + 4 * (i ^ 0)] << 8);
             }
 
             if (result->answer[0] == 0x7FFF) {
@@ -84,7 +84,7 @@ s32 osVoiceGetReadData(OSVoiceHandle* hd, OSVoiceData* result) {
             }
 
             new_var2 = D_8009CF60;
-            temp_t9 = u.sp38[34] ^ 0;
+            temp_t9 = u.data[34] ^ 0;
             hd->status = temp_t9 & 7;
             if ((new_var2 == 0) || (hd->status == 0)) {
                 break;
@@ -92,22 +92,22 @@ s32 osVoiceGetReadData(OSVoiceHandle* hd, OSVoiceData* result) {
         case 4:
             hd->mode = 4;
 
-            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.sp38[39]);
+            errorCode = __osVoiceGetStatus(hd->mq, hd->port, &u.data[39]);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            if (u.sp38[39] & 1) {
+            if (u.data[39] & 1) {
                 return CONT_ERR_VOICE_NO_RESPONSE;
             }
 
-            errorCode = __osVoiceContRead2(hd->mq, hd->port, 0, u.sp38);
+            errorCode = __osVoiceContRead2(hd->mq, hd->port, 0, u.data);
             if (errorCode != 0) {
                 return errorCode;
             }
 
-            hd->status = u.sp38[0] & 7;
-            if (u.sp38[0] & 7) {
+            hd->status = u.data[0] & 7;
+            if (u.data[0] & 7) {
                 return CONT_ERR_VOICE_NO_RESPONSE;
             }