diff --git a/src/libsodium/crypto_pwhash/argon2/argon2.c b/src/libsodium/crypto_pwhash/argon2/argon2.c
index 630cb1eb..573148dd 100644
--- a/src/libsodium/crypto_pwhash/argon2/argon2.c
+++ b/src/libsodium/crypto_pwhash/argon2/argon2.c
@@ -223,14 +223,12 @@ int argon2_verify(const char *encoded, const void *pwd, const size_t pwdlen,
     free(ctx.salt);
 
     if (ret != ARGON2_OK || sodium_memcmp(out, ctx.out, ctx.outlen) != 0) {
-        free(out);
-        free(ctx.out);
-        return ARGON2_DECODING_FAIL;
+        ret = ARGON2_VERIFY_MISMATCH;
     }
     free(out);
     free(ctx.out);
 
-    return ARGON2_OK;
+    return ret;
 }
 
 int argon2i_verify(const char *encoded, const void *pwd, const size_t pwdlen) {
diff --git a/src/libsodium/crypto_pwhash/argon2/argon2.h b/src/libsodium/crypto_pwhash/argon2/argon2.h
index 6fad2302..2efa754a 100644
--- a/src/libsodium/crypto_pwhash/argon2/argon2.h
+++ b/src/libsodium/crypto_pwhash/argon2/argon2.h
@@ -123,6 +123,12 @@ typedef enum Argon2_ErrorCodes {
 
     ARGON2_DECODING_FAIL = 32,
 
+    ARGON2_THREAD_FAIL = 33,
+
+    ARGON2_DECODING_LENGTH_FAIL = 34,
+
+    ARGON2_VERIFY_MISMATCH = 35,
+
     ARGON2_ERROR_CODES_LENGTH /* Do NOT remove; Do NOT add error codes after
                                  this
                                  error code */