diff --git a/c/blake3_neon.c b/c/blake3_neon.c
index 8a818fc7..90bdd572 100644
--- a/c/blake3_neon.c
+++ b/c/blake3_neon.c
@@ -10,14 +10,12 @@
 
 INLINE uint32x4_t loadu_128(const uint8_t src[16]) {
   // vld1q_u32 has alignment requirements. Don't use it.
-  uint32x4_t x;
-  memcpy(&x, src, 16);
-  return x;
+  return vreinterpretq_u32_u8(vld1q_u8(src));
 }
 
 INLINE void storeu_128(uint32x4_t src, uint8_t dest[16]) {
   // vst1q_u32 has alignment requirements. Don't use it.
-  memcpy(dest, &src, 16);
+  vst1q_u8(dest, vreinterpretq_u8_u32(src));
 }
 
 INLINE uint32x4_t add_128(uint32x4_t a, uint32x4_t b) {