diff --git a/tests/api.c b/tests/api.c
index 8ba130d06..5efc043b3 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -17469,6 +17469,7 @@ static void test_PKCS7_signed_enveloped(void)
         AssertIntGT(digestSz, 0);
         AssertIntEQ(digestSz, pkcs7->pkcs7DigestSz);
         AssertIntEQ(XMEMCMP(digest, pkcs7->pkcs7Digest, digestSz), 0);
+        AssertIntEQ(wc_FreeRsaKey(&rKey), 0);
         /* verify was success */
     }