diff --git a/tests/unit-tests/crypto-helper.t.cpp b/tests/unit-tests/crypto-helper.t.cpp
index 9f71254..09c4705 100644
--- a/tests/unit-tests/crypto-helper.t.cpp
+++ b/tests/unit-tests/crypto-helper.t.cpp
@@ -82,14 +82,14 @@
   const uint8_t input[] = {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
                            0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
                            0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b};
-  const uint8_t salt[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
+  const uint8_t key[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
                           0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c};
   const uint8_t expected[] = {0x07, 0x77, 0x09, 0x36, 0x2c, 0x2e, 0x32, 0xdf,
                               0x0d, 0xdc, 0x3f, 0x0d, 0xc4, 0x7b, 0xba, 0x63,
                               0x90, 0xb6, 0xc7, 0x3b, 0xb5, 0x0f, 0x9c, 0x31,
                               0x22, 0xec, 0x84, 0x4a, 0xd7, 0xc2, 0xb3, 0xe5};
   uint8_t result[32];
-  hmacSha256(input, sizeof(input), salt, sizeof(salt), result);
+  hmacSha256(input, sizeof(input), key, sizeof(key), result);
   BOOST_CHECK_EQUAL_COLLECTIONS(result, result + sizeof(result), expected,
                                 expected + sizeof(expected));
 }