diff --git a/eodb/events/management/commands/common.py b/eodb/events/management/commands/common.py
index 7f63793..f4ab9ef 100644
--- a/eodb/events/management/commands/common.py
+++ b/eodb/events/management/commands/common.py
@@ -8,6 +8,7 @@ from eodb.events.models import Commit
 class GraphCommand(BaseCommand):
     def add_arguments(self, parser):
         parser.add_argument('--username', metavar='USERNAME')
+        parser.add_argument('--module', metavar='MODULE')
         parser.add_argument('--datemin', metavar='DATEMIN')
         parser.add_argument('--datemax', metavar='DATEMAX')
         parser.add_argument('--committime', action='store_true',
@@ -20,6 +21,9 @@ class GraphCommand(BaseCommand):
         if options.get('username'):
             filters['author_email__startswith'] = options['username'] + '@'
 
+        if options.get('module'):
+            filters['module'] = options['module']
+
         datetime_var = 'author_datetime'
         if options.get('committime'):
             datetime_var = 'commit_datetime'
@@ -34,6 +38,8 @@ class GraphCommand(BaseCommand):
         title = 'Git activity'
         if options.get('username'):
             title += ' for %s' % options['username']
+        if options.get('module'):
+            title += ' in module %s' % options['module']
         if options.get('datemin'):
             title += ' from %s' % options['datemin']
         if options.get('datemax'):