diff --git a/crypto/ec/ecx_key.c b/crypto/ec/ecx_key.c
index ba725eb573..98f68cd013 100644
--- a/crypto/ec/ecx_key.c
+++ b/crypto/ec/ecx_key.c
@@ -75,6 +75,9 @@ void ossl_ecx_key_free(ECX_KEY *key)
     REF_ASSERT_ISNT(i < 0);
 
     OPENSSL_free(key->propq);
+#ifdef OPENSSL_PEDANTIC_ZEROIZATION
+    OPENSSL_cleanse(&key->pubkey, sizeof(key->pubkey));
+#endif
     OPENSSL_secure_clear_free(key->privkey, key->keylen);
     CRYPTO_FREE_REF(&key->references);
     OPENSSL_free(key);