diff --git a/DataProcessingTools/objects.py b/DataProcessingTools/objects.py
index ddb70b1..04a3526 100644
--- a/DataProcessingTools/objects.py
+++ b/DataProcessingTools/objects.py
@@ -273,7 +273,8 @@ def processDirs(dirs=None, objtype=None, level=None,
     If `dirs` is `None`, all directories under the current directory will be visited.
     """
     if getArgsList:
-        return ["dirs", "objtype", "level", "exclude"]
+        return {"dirs": None, "objtype": None,
+                "level":None, "exclude": []}
     if dirs is None:
         if level is None:
             level = objtype.level
diff --git a/setup.py b/setup.py
index 8cf3a63..3c4c90c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from distutils.core import setup
 
 setup(name="DataProcessingTools",
-      version="0.19.0",
+      version="0.20.0",
       description="""Tools for processing data with hierarchical organization""",
       url="https://github.com/grero/DataProcessingTools.git",
       author="Roger Herikstad",
diff --git a/tests/test_objects.py b/tests/test_objects.py
index a37e05c..da632ea 100644
--- a/tests/test_objects.py
+++ b/tests/test_objects.py
@@ -187,4 +187,5 @@ def test_cmdobj():
         assert cmdobj_p.dirs == cmdobj_f.dirs
     os.rmdir(tdir)
     argslist = DPT.objects.processDirs(getArgsList=True)
-    assert argslist == ["dirs", "objtype", "level", "exclude"]
+    assert argslist == {"dirs": None, "objtype":None,
+                        "level": None, "exclude": []}