diff --git a/verifier/runserver.py b/verifier/runserver.py
index eea0f50..066bde8 100644
--- a/verifier/runserver.py
+++ b/verifier/runserver.py
@@ -1,12 +1,10 @@
 
 
-from os import environ
+import os
 from verifier import app
 
 if __name__ == '__main__':
-    HOST = environ.get('SERVER_HOST', 'localhost')
-    try:
-        PORT = int(environ.get('SERVER_PORT', '5555'))
-    except ValueError:
-        PORT = 5555
+    HOST = os.getenv('SERVER_HOST', 'localhost')
+    PORT = os.getenv('SERVER_PORT', '5555')
     app.run(HOST, PORT)
+