diff --git a/dogetipbot_telegram.py b/dogetipbot_telegram.py
index 928a118..2d45595 100755
--- a/dogetipbot_telegram.py
+++ b/dogetipbot_telegram.py
@@ -16,8 +16,8 @@ import argparse
 # Parsing arguments
 
 parser = argparse.ArgumentParser(description="Dogetipbot telegram")
-parser.add_argument("--telegram-api-key")
-parser.add_argument("--private-key")
+parser.add_argument("--telegram-api-key", default=os.environ.get("TELEGRAM_API_KEY"))
+parser.add_argument("--private-key", default=os.environ.get("DOGE_WALLET_KEY"))
 parser.add_argument("--db-path")
 
 args = parser.parse_args()
@@ -28,9 +28,7 @@ TELEGRAM_API_KEY = args.telegram_api_key
 
 DERIVATION_PATH = "44/3"
 TX_FEE_PER_THOUSAND_BYTES = 100000000
-with open(args.private_key, "rb") as f:
-    seed = f.readline().strip()
-    DOGE_WALLET = network.keys.bip32_seed(seed)
+DOGE_WALLET = network.keys.bip32_seed(args.private_key.encode())
 
 # SQL
 
@@ -149,7 +147,9 @@ def transaction(sender, receiver, amount=None):
             fee=TX_FEE_PER_THOUSAND_BYTES * ((999 + tx_byte_count) // 1000),
         )
     elif balance >= amount:
-        tx = network.tx_utils.create_signed_tx(unspent, [(receiver, amount), pkey.address()], wifs=[pkey.wif()])
+        tx = network.tx_utils.create_signed_tx(
+            unspent, [(receiver, amount), pkey.address()], wifs=[pkey.wif()]
+        )
         tx.stream(s)
         tx_byte_count = len(s.getvalue())
         tx = network.tx_utils.create_signed_tx(