diff --git a/include/basen/hash/sha256.hpp b/include/basen/hash/sha256.hpp
index 9703997..279ecb5 100644
--- a/include/basen/hash/sha256.hpp
+++ b/include/basen/hash/sha256.hpp
@@ -4,9 +4,8 @@
 #include <span>
 #include <vector>
 
-#define SHA256_DIGEST_LENGTH 32
-
-namespace hash {
+namespace hash
+{
 	void sha256(const uint8_t *data, uint64_t data_size, uint8_t *hash) noexcept;
 	std::vector<uint8_t> sha256(std::span<const uint8_t> data) noexcept;
 }
\ No newline at end of file
diff --git a/src/hash/sha256.cpp b/src/hash/sha256.cpp
index 63ad5df..32d2b14 100644
--- a/src/hash/sha256.cpp
+++ b/src/hash/sha256.cpp
@@ -174,7 +174,7 @@ namespace hash
 	}
 	std::vector<uint8_t> sha256(std::span<const uint8_t> data) noexcept
 	{
-		std::vector<uint8_t> hash(SHA256_DIGEST_LENGTH);
+		std::vector<uint8_t> hash(32);
 		sha256(data.data(), data.size(), hash.data());
 		return hash;
 	}