diff --git a/tests/dsa_test.c b/tests/dsa_test.c
index e77e7de..e620dde 100644
--- a/tests/dsa_test.c
+++ b/tests/dsa_test.c
@@ -313,6 +313,7 @@ static int _dsa_wycheproof_test(void)
       return CRYPT_FAIL_TESTVECTOR;
    }
 
+   dsa_free(&key);
    return CRYPT_OK;
 }