diff --git a/CHANGES.rst b/CHANGES.rst
index 5fa47b8..6417484 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,13 @@
 Changelog
 =========
 
+0.3.0a3
+-------
+
+- More command line arguments.
+
+  The command line arguments under the *Configuration options* group can be used to override settings done on the plugin configuration file.
+
 0.3.0a2
 -------
 
diff --git a/pierky/p2es/version.py b/pierky/p2es/version.py
index 2fc0e78..4fae70c 100644
--- a/pierky/p2es/version.py
+++ b/pierky/p2es/version.py
@@ -1 +1 @@
-__version__ = "0.3.0a2"
+__version__ = "0.3.0a3"
diff --git a/scripts/pmacct-to-elasticsearch b/scripts/pmacct-to-elasticsearch
index 46b5acb..6fbddff 100755
--- a/scripts/pmacct-to-elasticsearch
+++ b/scripts/pmacct-to-elasticsearch
@@ -501,4 +501,4 @@ def main():
 
     return ret_code
 
-main()
+sys.exit(0 if main() else 1)