diff --git a/src/highlevelcrypto.py b/src/highlevelcrypto.py
index 28439c8d..90a32435 100644
--- a/src/highlevelcrypto.py
+++ b/src/highlevelcrypto.py
@@ -4,7 +4,7 @@ def makeCryptor(privkey):
   private_key = a.changebase(privkey, 16, 256, minlen=32)
   public_key = pointMult(private_key)
   privkey_bin = '\x02\xca\x00\x20' + private_key
-  pubkey_bin = '\x02\xca\x00\x20' + public_key[1:-32] + '\x00\x20' + pubkey[-32:]
+  pubkey_bin = '\x02\xca\x00\x20' + public_key[1:-32] + '\x00\x20' + public_key[-32:]
   cryptor = pyelliptic.ECC(curve='secp256k1',privkey=privkey_bin,pubkey=pubkey_bin)
   return cryptor
 def hexToPubkey(pubkey):