1 files changed, 1 insertions, 1 deletions
diff --git a/cmds.py b/cmds.py
index 0902194..1147903 100644
--- a/cmds.py
+++ b/cmds.py
@@ -41,7 +41,7 @@ def _run(source, processor_factory, verbose=False, user_map=None, **kwargs):
 
 
 def _get_source_stream(source):
-    if source == '-':
+    if source == '-' or source is None:
         import sys
         from fastimport import helpers
         stream = helpers.binary_stream(sys.stdin)