diff --git a/src/libsodium/Makefile.am b/src/libsodium/Makefile.am
index 632156e5..f15605b7 100644
--- a/src/libsodium/Makefile.am
+++ b/src/libsodium/Makefile.am
@@ -34,10 +34,10 @@ libsodium_la_SOURCES = \
 	crypto_verify/16/ref/verify_16.c \
 	crypto_verify/32/ref/crypto_verify.h \
 	crypto_verify/32/ref/verify_32.c \
-	crypto_auth/hmacsha256/ref/crypto_auth.h \
+	crypto_auth/hmacsha256/ref/api.h \
 	crypto_auth/hmacsha256/ref/hmac_hmacsha256.c \
 	crypto_auth/hmacsha256/ref/verify_hmacsha256.c \
-	crypto_auth/hmacsha512256/ref/crypto_auth.h \
+	crypto_auth/hmacsha512256/ref/api.h \
 	crypto_auth/hmacsha512256/ref/hmac_hmacsha512256.c \
 	crypto_auth/hmacsha512256/ref/verify_hmacsha512256.c \
 	crypto_stream/salsa20/ref/crypto_stream.h \
diff --git a/src/libsodium/crypto_auth/hmacsha256/ref/crypto_auth.h b/src/libsodium/crypto_auth/hmacsha256/ref/api.h
similarity index 100%
rename from src/libsodium/crypto_auth/hmacsha256/ref/crypto_auth.h
rename to src/libsodium/crypto_auth/hmacsha256/ref/api.h
diff --git a/src/libsodium/crypto_auth/hmacsha256/ref/hmac_hmacsha256.c b/src/libsodium/crypto_auth/hmacsha256/ref/hmac_hmacsha256.c
index 8ab30bb4..4aec36f4 100644
--- a/src/libsodium/crypto_auth/hmacsha256/ref/hmac_hmacsha256.c
+++ b/src/libsodium/crypto_auth/hmacsha256/ref/hmac_hmacsha256.c
@@ -4,8 +4,8 @@
  * Public domain.
  * */
 
+#include "api.h"
 #include "crypto_hashblocks_sha256.h"
-#include "crypto_auth.h"
 
 #define blocks crypto_hashblocks_sha256
 
diff --git a/src/libsodium/crypto_auth/hmacsha256/ref/verify_hmacsha256.c b/src/libsodium/crypto_auth/hmacsha256/ref/verify_hmacsha256.c
index 96ff0ea8..b6cf4893 100644
--- a/src/libsodium/crypto_auth/hmacsha256/ref/verify_hmacsha256.c
+++ b/src/libsodium/crypto_auth/hmacsha256/ref/verify_hmacsha256.c
@@ -1,5 +1,5 @@
+#include "api.h"
 #include "crypto_verify_32.h"
-#include "crypto_auth.h"
 
 int crypto_auth_verify(const unsigned char *h,const unsigned char *in,unsigned long long inlen,const unsigned char *k)
 {
diff --git a/src/libsodium/crypto_auth/hmacsha512256/ref/crypto_auth.h b/src/libsodium/crypto_auth/hmacsha512256/ref/api.h
similarity index 100%
rename from src/libsodium/crypto_auth/hmacsha512256/ref/crypto_auth.h
rename to src/libsodium/crypto_auth/hmacsha512256/ref/api.h
diff --git a/src/libsodium/crypto_auth/hmacsha512256/ref/hmac_hmacsha512256.c b/src/libsodium/crypto_auth/hmacsha512256/ref/hmac_hmacsha512256.c
index 56ebfa6b..7636e869 100644
--- a/src/libsodium/crypto_auth/hmacsha512256/ref/hmac_hmacsha512256.c
+++ b/src/libsodium/crypto_auth/hmacsha512256/ref/hmac_hmacsha512256.c
@@ -4,8 +4,8 @@
  * Public domain.
  * */
 
+#include "api.h"
 #include "crypto_hashblocks_sha512.h"
-#include "crypto_auth.h"
 
 #define blocks crypto_hashblocks_sha512
 
diff --git a/src/libsodium/crypto_auth/hmacsha512256/ref/verify_hmacsha512256.c b/src/libsodium/crypto_auth/hmacsha512256/ref/verify_hmacsha512256.c
index 96ff0ea8..b6cf4893 100644
--- a/src/libsodium/crypto_auth/hmacsha512256/ref/verify_hmacsha512256.c
+++ b/src/libsodium/crypto_auth/hmacsha512256/ref/verify_hmacsha512256.c
@@ -1,5 +1,5 @@
+#include "api.h"
 #include "crypto_verify_32.h"
-#include "crypto_auth.h"
 
 int crypto_auth_verify(const unsigned char *h,const unsigned char *in,unsigned long long inlen,const unsigned char *k)
 {