diff --git a/libsodium.vcxproj b/libsodium.vcxproj
index 437978d2..9b9babef 100644
--- a/libsodium.vcxproj
+++ b/libsodium.vcxproj
@@ -403,7 +403,7 @@
     <ClCompile Include="src\libsodium\crypto_hashblocks\sha512\ref\blocks_sha512.c" />
     <ClCompile Include="src\libsodium\crypto_hash\crypto_hash.c" />
     <ClCompile Include="src\libsodium\crypto_hash\sha256\hash_sha256_api.c" />
-    <ClCompile Include="src\libsodium\crypto_hash\sha256\ref\hash_sha256.c" />
+    <ClCompile Include="src\libsodium\crypto_hash\sha256\cp\hash_sha256.c" />
     <ClCompile Include="src\libsodium\crypto_hash\sha512\hash_sha512_api.c" />
     <ClCompile Include="src\libsodium\crypto_hash\sha512\ref\hash_sha512.c" />
     <ClCompile Include="src\libsodium\crypto_onetimeauth\crypto_onetimeauth.c" />
diff --git a/libsodium.vcxproj.filters b/libsodium.vcxproj.filters
index 3419de5d..aa76d7d9 100644
--- a/libsodium.vcxproj.filters
+++ b/libsodium.vcxproj.filters
@@ -256,7 +256,7 @@
     <ClCompile Include="src\libsodium\crypto_hash\crypto_hash.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_hash\sha256\ref\hash_sha256.c">
+    <ClCompile Include="src\libsodium\crypto_hash\sha256\cp\hash_sha256.c">
       <Filter>Source Files</Filter>
     </ClCompile>
     <ClCompile Include="src\libsodium\crypto_hash\sha256\hash_sha256_api.c">
diff --git a/src/libsodium/Makefile.am b/src/libsodium/Makefile.am
index a3f58c4a..a9a4bd32 100644
--- a/src/libsodium/Makefile.am
+++ b/src/libsodium/Makefile.am
@@ -40,8 +40,8 @@ libsodium_la_SOURCES = \
 	crypto_generichash/blake2/ref/generichash_blake2b.c \
 	crypto_hash/crypto_hash.c \
 	crypto_hash/sha256/hash_sha256_api.c \
-	crypto_hash/sha256/ref/api.h \
-	crypto_hash/sha256/ref/hash_sha256.c \
+	crypto_hash/sha256/cp/api.h \
+	crypto_hash/sha256/cp/hash_sha256.c \
 	crypto_hash/sha512/hash_sha512_api.c \
 	crypto_hash/sha512/ref/api.h \
 	crypto_hash/sha512/ref/hash_sha512.c \
diff --git a/src/libsodium/crypto_hash/sha256/ref/api.h b/src/libsodium/crypto_hash/sha256/cp/api.h
similarity index 100%
rename from src/libsodium/crypto_hash/sha256/ref/api.h
rename to src/libsodium/crypto_hash/sha256/cp/api.h
diff --git a/src/libsodium/crypto_hash/sha256/ref/hash_sha256.c b/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c
similarity index 100%
rename from src/libsodium/crypto_hash/sha256/ref/hash_sha256.c
rename to src/libsodium/crypto_hash/sha256/cp/hash_sha256.c