diff --git a/tests/rsa_test.c b/tests/rsa_test.c
index 998bdda..5125204 100644
--- a/tests/rsa_test.c
+++ b/tests/rsa_test.c
@@ -339,6 +339,7 @@ static int _rsa_issue_301(int prng_idx)
    DO(_rsa_key_cmp(PK_PUBLIC, &key, &key_in));
    rsa_free(&key_in);
 
+   rsa_free(&key);
    return 0;
 }