diff --git a/client/hardnested/hardnested_bf_core.c b/client/hardnested/hardnested_bf_core.c
index 3c0c044..b9c0691 100644
--- a/client/hardnested/hardnested_bf_core.c
+++ b/client/hardnested/hardnested_bf_core.c
@@ -146,7 +146,7 @@ bitslice_test_nonces_t bitslice_test_nonces_dispatch;
 #if defined (_WIN32)
 #define malloc_bitslice(x) __builtin_assume_aligned(_aligned_malloc((x), MAX_BITSLICES/8), MAX_BITSLICES/8)
 #define free_bitslice(x) _aligned_free(x)
-#elif defined (__APPLE__)
+#elif defined (__APPLE__) || defined(__NetBSD__)
 static void *malloc_bitslice(size_t x) {
 	char *allocated_memory;
 	if (posix_memalign((void**)&allocated_memory, MAX_BITSLICES/8, x)) {
diff --git a/client/hardnested/hardnested_bitarray_core.c b/client/hardnested/hardnested_bitarray_core.c
index aca4f14..4127d96 100644
--- a/client/hardnested/hardnested_bitarray_core.c
+++ b/client/hardnested/hardnested_bitarray_core.c
@@ -147,7 +147,7 @@ inline uint32_t *MALLOC_BITARRAY(uint32_t x)
 {
 #if defined (_WIN32)
 	return __builtin_assume_aligned(_aligned_malloc((x), __BIGGEST_ALIGNMENT__), __BIGGEST_ALIGNMENT__);
-#elif defined (__APPLE__)
+#elif defined (__APPLE__) || defined(__NetBSD__)
 	uint32_t *allocated_memory;
 	if (posix_memalign((void**)&allocated_memory, __BIGGEST_ALIGNMENT__, x)) {
 		return NULL;