diff --git a/TunnelKit/Sources/Core/TLSBox.m b/TunnelKit/Sources/Core/TLSBox.m
index bd99f93..bac9c1a 100644
--- a/TunnelKit/Sources/Core/TLSBox.m
+++ b/TunnelKit/Sources/Core/TLSBox.m
@@ -148,7 +148,6 @@ int TLSBoxVerifyPeer(int ok, X509_STORE_CTX *ctx) {
     BIO *output = BIO_new(BIO_s_mem());
     if (!PEM_write_bio_PKCS8PrivateKey(output, evpKey, NULL, NULL, 0, NULL, NULL)) {
         BIO_free(output);
-        EVP_PKEY_free(evpKey);
         return NULL;
     }