diff --git a/python/suricata/ctl/filestore.py b/python/suricata/ctl/filestore.py
index f9f804d343..c0f101b36e 100644
--- a/python/suricata/ctl/filestore.py
+++ b/python/suricata/ctl/filestore.py
@@ -30,7 +30,6 @@ class InvalidAgeFormatError(Exception):
     pass
 
 def register_args(parser):
-
     parsers = parser.add_subparsers()
 
     prune_parser = parsers.add_parser("prune")
diff --git a/python/suricata/ctl/main.py b/python/suricata/ctl/main.py
index 6a742adaf4..1d09b900e5 100644
--- a/python/suricata/ctl/main.py
+++ b/python/suricata/ctl/main.py
@@ -46,5 +46,8 @@ def main():
     filestore.register_args(subparsers.add_parser("filestore"))
 
     args = parser.parse_args()
-
-    args.func(args)
+    try:
+        func = args.func
+    except AttributeError:
+        parser.error("too few arguments")
+    func(args)
diff --git a/python/suricata/ctl/test_filestore.py b/python/suricata/ctl/test_filestore.py
index 26b107fd23..0cb0dd08a9 100644
--- a/python/suricata/ctl/test_filestore.py
+++ b/python/suricata/ctl/test_filestore.py
@@ -2,7 +2,7 @@ from __future__ import print_function
 
 import unittest
 
-import filestore
+from suricata.ctl import filestore
 
 class PruneTestCase(unittest.TestCase):