diff --git a/tests/src/pool_block_tests.cpp b/tests/src/pool_block_tests.cpp
index 3e78dd8..66b2db3 100644
--- a/tests/src/pool_block_tests.cpp
+++ b/tests/src/pool_block_tests.cpp
@@ -84,19 +84,31 @@ TEST(pool_block, deserialize)
 	ASSERT_EQ(b.m_broadcasted, false);
 	ASSERT_EQ(b.m_wantBroadcast, false);
 
-#if !(defined(__FreeBSD__) || defined(__OpenBSD__))
-	RandomX_Hasher hasher(nullptr);
-
-	hash seed;
+	class RandomX_Hasher_Test : public RandomX_Hasher_Base
 	{
-		std::stringstream s;
-		s << "6fc9c4a55eb513eb31955c084d9342e0082987f9e42da042449b7c9001176d3a";
-		s >> seed;
-	}
+	public:
+		bool calculate(const void* data, size_t size, uint64_t, const hash&, hash& result) override
+		{
+			if (size == 76) {
+				char buf[76 * 2 + 1];
+				{
+					log::Stream s(buf);
+					s << log::hex_buf(reinterpret_cast<const uint8_t*>(data), size);
+					buf[76 * 2] = '\0';
+				}
+				const char ref[] = "1010c0c8dba006b78e04571806733a74ef1014f404484d3358bfca889a75bb0fe9aff64a41c92bdf040000ecf0a11f83c6eced7d7cdfbdcd5a193f64d334b2c5491a9c595b4527e531ae7209";
+				if (memcmp(buf, ref, sizeof(buf)) == 0) {
+					std::stringstream s;
+					s << "aa7a3c4a2d67cb6a728e244288219bf038024f3b511b0da197a19ec601000000";
+					s >> result;
+					return true;
+				}
+			}
+			return false;
+		}
+	} hasher;
 
-	hasher.set_seed(seed);
-
-	hash pow_hash;
+	hash seed, pow_hash;
 	ASSERT_EQ(b.get_pow_hash(&hasher, 0, seed, pow_hash), true);
 
 	std::stringstream s;
@@ -104,7 +116,6 @@ TEST(pool_block, deserialize)
 	ASSERT_EQ(s.str(), "aa7a3c4a2d67cb6a728e244288219bf038024f3b511b0da197a19ec601000000");
 
 	ASSERT_EQ(b.m_difficulty.check_pow(pow_hash), true);
-#endif
 
 	destroy_crypto_cache();
 }