diff --git a/src/osal.h b/src/osal.h
index 1b5c45a8..3cd7d84c 100644
--- a/src/osal.h
+++ b/src/osal.h
@@ -120,7 +120,7 @@ typedef pthread_mutex_t mdbx_fastmutex_t;
 #if !defined(UNALIGNED_OK)
 #if defined(__i386) || defined(__x86_64__) || defined(_M_IX86) ||              \
     defined(_M_X64) || defined(i386) || defined(_X86_) || defined(__i386__) || \
-    defined(_X86_64_)
+    defined(_X86_64_) || defined(__ARM_FEATURE_UNALIGNED) || defined(__e2k__)
 #define UNALIGNED_OK 1
 #else
 #define UNALIGNED_OK 0