diff --git a/redminebot.py b/redminebot.py
index 6b836d6..6fe6491 100755
--- a/redminebot.py
+++ b/redminebot.py
@@ -17,7 +17,11 @@ hello_list = ["hello", "yo", "bonjour", "salut"]
 
 # Load configuration.
 configurationFilename="/etc/redminebot/redminebot.conf"
+if len(sys.argv) == 2:
+    configurationFilename=sys.argv[1]
+
 if os.path.isfile(configurationFilename):
+    print "Using configuration file: " + configurationFilename
     config = ConfigParser.RawConfigParser()
     config.read(configurationFilename)