diff --git a/src/crypto/rx/RxVm.cpp b/src/crypto/rx/RxVm.cpp
index 6426443a..275f9558 100644
--- a/src/crypto/rx/RxVm.cpp
+++ b/src/crypto/rx/RxVm.cpp
@@ -33,9 +33,11 @@
 
 xmrig::RxVm::RxVm(RxDataset *dataset, uint8_t *scratchpad, bool softAes)
 {
+#   ifndef XMRIG_ARM
     if (!softAes) {
        m_flags |= RANDOMX_FLAG_HARD_AES;
     }
+#   endif
 
     if (dataset->get()) {
         m_flags |= RANDOMX_FLAG_FULL_MEM;