diff --git a/acertmgr.py b/acertmgr.py
index 325b9b8..3ff7386 100755
--- a/acertmgr.py
+++ b/acertmgr.py
@@ -83,16 +83,16 @@ def cert_get(settings):
 
     # find challenge handlers for this certificate
     challenge_handlers = dict()
-    for domain in config['domainlist']:
+    for domain in settings['domainlist']:
         # Create the challenge handler
         challenge_handlers[domain] = create_challenge_handler(settings['handlers'][domain])
 
     try:
         key = tools.read_key(key_file)
-        cr = tools.new_cert_request(config['domainlist'], key)
+        cr = tools.new_cert_request(settings['domainlist'], key)
         print("Reading account key...")
         acme.register_account()
-        crt = acme.get_crt_from_csr(cr, config['domainlist'], challenge_handlers)
+        crt = acme.get_crt_from_csr(cr, settings['domainlist'], challenge_handlers)
         with io.open(crt_file, "w") as crt_fd:
             crt_fd.write(tools.convert_cert_to_pem(crt))
 
@@ -102,7 +102,7 @@ def cert_get(settings):
             shutil.copy2(crt_file, crt_final)
             os.chmod(crt_final, stat.S_IREAD)
             # download current ca file for the new certificate if no static ca is configured
-            if "static_ca" in settings and not config['static_ca']:
+            if "static_ca" in settings and not settings['static_ca']:
                 tools.download_issuer_ca(crt_final, settings['ca_file'])
 
     finally: