diff --git a/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h b/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h
index 19d55f18..e772340a 100644
--- a/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h
+++ b/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h
@@ -37,7 +37,7 @@ SODIUM_EXPORT
 const char * crypto_onetimeauth_poly1305_primitive(void);
 
 SODIUM_EXPORT
-const char *crypto_onetimeauth_poly1305_ref_implementation_name(void);
+const char *crypto_onetimeauth_poly1305_implementation_name(void);
 
 SODIUM_EXPORT
 int crypto_onetimeauth_poly1305_set_implementation(crypto_onetimeauth_poly1305_implementation *impl);