diff --git a/Hashes.cpp b/Hashes.cpp
index 6145e56f..315fd062 100644
--- a/Hashes.cpp
+++ b/Hashes.cpp
@@ -1366,6 +1366,6 @@ void polymur_test ( const void *key, int len, uint32_t seed, void *out) {
                                  (uint64_t)seed);
 }
 
-#if defined(HAVE_SSE2) && defined(HAVE_AESNI) && !defined(_MSC_VER)
+#if defined(HAVE_SSE2) && defined(HAVE_AESNI)
 #include "aesnihash-peterrk.hpp"
 #endif
diff --git a/Hashes.h b/Hashes.h
index 872c9cb7..a5a06bf8 100644
--- a/Hashes.h
+++ b/Hashes.h
@@ -539,7 +539,6 @@ inline void t1ha0_ia32aes_noavx_test(const void * key, int len, uint32_t seed, v
   // objsize 0-39d: 925
   *(uint64_t*)out = t1ha0_ia32aes_noavx(key, len, seed);
 }
-void aesnihash_peterrk(const void * in, int len0, uint32_t seed, void * out);
 #endif
 #if defined(__AVX__)
 inline void t1ha0_ia32aes_avx1_test(const void * key, int len, uint32_t seed, void * out)
@@ -1425,3 +1424,6 @@ extern "C" void crc64_jones_test2(const void *input, int len, uint32_t seed, voi
 extern "C" void crc64_jones_test3(const void *input, int len, uint32_t seed, void *out);
 extern "C" void crc64_jones_default(const void *input, int len, uint32_t seed, void *out);
 
+#if defined(HAVE_SSE2) && defined(HAVE_AESNI)
+void aesnihash_peterrk(const void * in, int len0, uint32_t seed, void * out);
+#endif
diff --git a/aesnihash-peterrk.hpp b/aesnihash-peterrk.hpp
index 531e977b..fdb1d835 100644
--- a/aesnihash-peterrk.hpp
+++ b/aesnihash-peterrk.hpp
@@ -96,11 +96,21 @@ void aesnihash_peterrk(const void * in, int len0, uint32_t seed, void * out) {
         case 11: mix(GREEDILY_READ(11, msg)); break;
         case 10: mix(GREEDILY_READ(10, msg)); break;
         case  9: mix(GREEDILY_READ(9, msg)); break;
+#ifndef _MSC_VER
         case  8: mix((__m128i)_mm_load_sd((const double *)msg)); break;
+#else
+        // MSVC cannot copy __m128d -> __m128i
+        case  8: mix(GREEDILY_READ(7, msg)); break;
+#endif
         case  7: mix(GREEDILY_READ(7, msg)); break;
         case  6: mix(GREEDILY_READ(6, msg)); break;
         case  5: mix(GREEDILY_READ(5, msg)); break;
+#ifndef _MSC_VER
         case  4: mix((__m128i)_mm_load_ss((const float *)msg)); break;
+#else
+        // MSVC cannot copy __m128 -> __m128i
+        case  4: mix(GREEDILY_READ(4, msg)); break;
+#endif
         case  3: mix(GREEDILY_READ(3, msg)); break;
         case  2: mix(GREEDILY_READ(2, msg)); break;
         case  1: mix(GREEDILY_READ(1, msg)); break;
diff --git a/main.cpp b/main.cpp
index b846e6a6..dbdf52dc 100644
--- a/main.cpp
+++ b/main.cpp
@@ -385,10 +385,17 @@ HashInfo g_hashes[] =
 #if defined(HAVE_SSE2) && defined(HAVE_AESNI) && !defined(_MSC_VER)
 { aesnihash_test,       64, 0xA68E0D42, "aesnihash",    "majek's seeded aesnihash with aesenc, 64-bit for x64", POOR,
   {0x70736575} },
-{ aesnihash_peterrk,   128, 0xF06DA1B1, "aesni-hash-peterrk",    "PeterRK's seeded aesnihash with aesenc, 128-bit for x64", GOOD, {} },
 { aesni128_test,       128, 0xF06DA1B1, "aesni",    "aesni 128bit", GOOD,{} },
 { aesni64_test,         64, 0x3AA1A480, "aesni-low","aesni 64bit",  GOOD,{} },
 #endif
+#if defined(HAVE_SSE2) && defined(HAVE_AESNI)
+#ifndef _MSC_VER
+#define AESPRK_VFY 0xF06DA1B1
+#else
+#define AESPRK_VFY 0x4E311231
+#endif
+{ aesnihash_peterrk,   128, AESPRK_VFY, "aesni-hash-peterrk",    "PeterRK's seeded aesnihash, 128-bit for x64, unportable", GOOD, {} },
+#endif
 #if defined(HAVE_SSE2) && defined(__x86_64__) && !defined(_WIN32) && !defined(_MSC_VER)
 { falkhash_test_cxx,    64, 0x2F99B071, "falkhash",    "falkhash.asm with aesenc, 64-bit for x64", POOR, {} },
 #endif