diff --git a/src/libsodium/include/sodium/crypto_aead_aes256gcm.h b/src/libsodium/include/sodium/crypto_aead_aes256gcm.h
index 9ce476f6..9b9f7ed3 100644
--- a/src/libsodium/include/sodium/crypto_aead_aes256gcm.h
+++ b/src/libsodium/include/sodium/crypto_aead_aes256gcm.h
@@ -24,7 +24,7 @@ size_t crypto_aead_aes256gcm_nsecbytes(void);
 
 #define crypto_aead_aes256gcm_NPUBBYTES 12U
 SODIUM_EXPORT
-size_t crypto_aead_aes256gcm_pubbytes(void);
+size_t crypto_aead_aes256gcm_npubbytes(void);
 
 #define crypto_aead_aes256gcm_ABYTES    16U
 SODIUM_EXPORT
diff --git a/test/default/aead_aes256gcm.c b/test/default/aead_aes256gcm.c
index 268a5cc7..3f7204fa 100644
--- a/test/default/aead_aes256gcm.c
+++ b/test/default/aead_aes256gcm.c
@@ -3099,6 +3099,11 @@ main(void)
     if (crypto_aead_aes256gcm_is_available()) {
         tv();
     }
+    assert(crypto_aead_aes256gcm_keybytes() == crypto_aead_aes256gcm_KEYBYTES);
+    assert(crypto_aead_aes256gcm_nsecbytes() == crypto_aead_aes256gcm_NSECBYTES);
+    assert(crypto_aead_aes256gcm_npubbytes() == crypto_aead_aes256gcm_NPUBBYTES);
+    assert(crypto_aead_aes256gcm_abytes() == crypto_aead_aes256gcm_ABYTES);
+    assert(crypto_aead_aes256gcm_statebytes() > (size_t) 0U);
     printf("OK\n");
 
     return 0;