diff --git a/src/libultra/voice/voicestopread.c b/src/libultra/voice/voicestopread.c
index 16ecddef8..d7dad3291 100644
--- a/src/libultra/voice/voicestopread.c
+++ b/src/libultra/voice/voicestopread.c
@@ -1,4 +1,52 @@
 #include "global.h"
 
 // Forcibly stops voice recognition processing by the Voice Recognition System
+#ifdef NON_EQUIVALENT
+s32 osVoiceStopReadData(OSVoiceHandle* hd) {
+    s32 i;
+    s32 errorCode;
+    u8 sp3F;
+    s32 sp38;
+
+    errorCode = __osVoiceGetStatus(hd->mq, hd->port, &sp3F);
+    if (errorCode != 0) {
+        return errorCode;
+    }
+
+    if (sp3F & 2) {
+        return 0xF;
+    }
+
+    if (hd->mode == 0) {
+        return 5;
+    }
+
+    sp38 = 0x700;
+    errorCode = __osVoiceContWrite4(hd->mq, hd->port, 0, &sp38);
+    
+    if (errorCode == 0) {
+        for (i = 0; i < 20; i++) {
+            errorCode = __osVoiceCheckResult(hd, &sp3F);
+            if (errorCode & 0xFF00) {
+                if (((errorCode & 7) == 0) || ((errorCode & 7) == 7)) {
+                    if (hd) {}
+                    errorCode = 0;
+                    hd->mode = 0;
+                } else {
+                    errorCode = 5;
+                }
+            } else {
+                hd->mode = 0;
+            }
+
+            if (errorCode != 0xF) {
+                break;
+            }
+        }
+    }
+
+    return errorCode;
+}
+#else
 #pragma GLOBAL_ASM("asm/non_matchings/boot/voicestopread/osVoiceStopReadData.s")
+#endif