diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c
index 2d3197d6..d4f27e1e 100644
--- a/src/crypto/slow-hash.c
+++ b/src/crypto/slow-hash.c
@@ -295,7 +295,7 @@ STATIC INLINE void aes_pseudo_round_xor(const uint8_t *in, uint8_t *out,
     }
 }
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
 BOOL SetLockPagesPrivilege(HANDLE hProcess, BOOL bEnable)
 {
     struct
@@ -333,7 +333,7 @@ void slow_hash_allocate_state(void)
     if(hp_state != NULL)
         return;
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
     SetLockPagesPrivilege(GetCurrentProcess(), TRUE);
     hp_state = (uint8_t *) VirtualAlloc(hp_state, MEMORY, MEM_LARGE_PAGES |
                                         MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
@@ -365,7 +365,7 @@ void slow_hash_free_state(void)
         free(hp_state);
     else
     {
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
         VirtualFree(hp_state, MEMORY, MEM_RELEASE);
 #else
         munmap(hp_state, MEMORY);