diff --git a/libscrypt/crypto-scrypt-saltgen.c b/libscrypt/crypto-scrypt-saltgen.c
index 3c22f84f7..998a1abcb 100644
--- a/libscrypt/crypto-scrypt-saltgen.c
+++ b/libscrypt/crypto-scrypt-saltgen.c
@@ -1,3 +1,4 @@
+#ifndef _MSC_VER
 #include <stdlib.h>
 #include <string.h>
 #include <stdint.h>
@@ -46,3 +47,4 @@ int libscrypt_salt_gen(uint8_t *salt, size_t len)
 
 	return 0;
 }
+#endif