diff --git a/cmake/randomx.cmake b/cmake/randomx.cmake
index f4e65148..7f8ae958 100644
--- a/cmake/randomx.cmake
+++ b/cmake/randomx.cmake
@@ -59,7 +59,7 @@ if (WITH_RANDOMX)
     if (WIN32)
         set(SOURCES_CRYPTO 
             "${SOURCES_CRYPTO}"
-             src/crypto/defyx/yescrypt-ref.c
+             src/crypto/defyx/yescrypt-best.c
         )
     else()
         set(SOURCES_CRYPTO 
diff --git a/src/crypto/defyx/yescrypt-platform.c b/src/crypto/defyx/yescrypt-platform.c
index 8f6c22ba..862a53b4 100644
--- a/src/crypto/defyx/yescrypt-platform.c
+++ b/src/crypto/defyx/yescrypt-platform.c
@@ -18,7 +18,10 @@
  * SUCH DAMAGE.
  */
 
+#ifdef __unix
 #include <sys/mman.h>
+#endif
+
 #include <stdint.h>
 
 #include "yescrypt.h"
@@ -76,7 +79,7 @@ alloc_region(yescrypt_region_t * region, size_t size)
 #else
 	base = aligned = NULL;
 	if (size + 63 < size) {
-		errno = ENOMEM;
+		//errno = ENOMEM;
 	} else if ((base = malloc(size + 63)) != NULL) {
 		aligned = base + 63;
 		aligned -= (uintptr_t)aligned & 63;