diff --git a/src/Cpu_arm.cpp b/src/Cpu_arm.cpp
index 59ff8421..3e259d0d 100644
--- a/src/Cpu_arm.cpp
+++ b/src/Cpu_arm.cpp
@@ -47,8 +47,11 @@ void Cpu::initCommon()
 {
     memcpy(m_brand, "Unknown", 7);
 
-#   if defined(XMRIG_ARMv8)
+#   if defined (__arm64__) || defined (__aarch64__)
     m_flags |= X86_64;
+#   endif
+
+#   if __ARM_FEATURE_CRYPTO
     m_flags |= AES;
 #   endif
 }
diff --git a/src/crypto/CryptoNight_arm.h b/src/crypto/CryptoNight_arm.h
index 284b1f5f..161a095f 100644
--- a/src/crypto/CryptoNight_arm.h
+++ b/src/crypto/CryptoNight_arm.h
@@ -73,7 +73,7 @@ static inline __attribute__((always_inline)) __m128i _mm_set_epi64x(const uint64
 }
 
 
-#ifdef XMRIG_ARMv8
+#if __ARM_FEATURE_CRYPTO
 static inline __attribute__((always_inline)) __m128i _mm_aesenc_si128(__m128i v, __m128i rkey)
 {
     alignas(16) const __m128i zero = { 0 };
@@ -82,6 +82,8 @@ static inline __attribute__((always_inline)) __m128i _mm_aesenc_si128(__m128i v,
 #else
 static inline __attribute__((always_inline)) __m128i _mm_aesenc_si128(__m128i v, __m128i rkey)
 {
+    alignas(16) const __m128i zero = { 0 };
+    return zero;
 }
 #endif
 
@@ -96,7 +98,7 @@ static inline __attribute__((always_inline)) uint64_t _mm_cvtsi128_si64(__m128i
 #define EXTRACT64(X) _mm_cvtsi128_si64(X)
 
 
-#if defined(XMRIG_ARMv8)
+#if defined (__arm64__) || defined (__aarch64__)
 static inline uint64_t __umul128(uint64_t a, uint64_t b, uint64_t* hi)
 {
     unsigned __int128 r = (unsigned __int128) a * (unsigned __int128) b;