diff --git a/soh/soh/mixer.c b/soh/soh/mixer.c
index 2e80ffb16..ba6a01bc1 100644
--- a/soh/soh/mixer.c
+++ b/soh/soh/mixer.c
@@ -99,8 +99,14 @@ void aClearBufferImpl(uint16_t addr, int nbytes) {
     memset(BUF_U8(addr), 0, nbytes);
 }
 
-void aLoadBufferImpl(const void *source_addr, uint16_t dest_addr, uint16_t nbytes) {
+void aLoadBufferImpl(const void* source_addr, uint16_t dest_addr, uint16_t nbytes) {
+#if __SANITIZE_ADDRESS__
+    for (size_t i = 0; i < ROUND_DOWN_16(nbytes); i++) {
+        BUF_U8(dest_addr)[i] = ((const unsigned char*)source_addr)[i];
+    }
+#else
     memcpy(BUF_U8(dest_addr), source_addr, ROUND_DOWN_16(nbytes));
+#endif
 }
 
 void aSaveBufferImpl(uint16_t source_addr, int16_t *dest_addr, uint16_t nbytes) {