diff --git a/modules/django.py b/modules/django.py
index a4cac84..cd46834 100644
--- a/modules/django.py
+++ b/modules/django.py
@@ -62,7 +62,7 @@ def commandline(args="", workingdir=None):
 
 
 @task
-def manage(args="", workingdir=None, prefix=None, suffix=None):
+def manage(args="help", workingdir=None, prefix="", suffix=""):
     configuration = env.config
 
     # changes the working directory to the djangoroot
@@ -123,7 +123,7 @@ def manage(args="", workingdir=None, prefix=None, suffix=None):
 
 
 @task
-def coverage(args="help", workingdir=None, outputdir=None,
+def coverage(args="", workingdir=None, outputdir=None,
              coveragerc=False, report=True, html=True):
     """
     helper method that uses the coverage package