diff --git a/pythonProject/worker.py b/pythonProject/worker.py
index b22f3e9..eff7209 100644
--- a/pythonProject/worker.py
+++ b/pythonProject/worker.py
@@ -26,7 +26,7 @@ TSA_CONFIG_PATH = os.environ.get('TSA_CONFIG_PATH')
 TSA_CERT_CHAIN = os.environ.get('TSA_CERT_CHAIN')
 TSA_KEY_PASSWORD = os.environ.get('TSA_KEY_PASSWORD')
 
-orchestrator = sign.SignOrchestrator(PKCS12_PATH, TSA_CONFIG_PATH, TSA_KEY_PASSWORD, TSA_CERT_CHAIN, pkcs12_password=os.environ.get('PKCS12_PASSWORD', None))
+orchestrator = sign.SignOrchestrator(PKCS12_PATH, TSA_CONFIG_PATH, TSA_KEY_PASSWORD, TSA_CERT_CHAIN, pkcs12_password=None if os.environ.get('PKCS12_PASSWORD', None) is None else os.environ.get('PKCS12_PASSWORD').encode())
 
 parameters = pika.URLParameters(DSN)
 connection = pika.BlockingConnection(parameters)