diff --git a/git-importer.py b/git-importer.py
index a40d04e..6b030d6 100755
--- a/git-importer.py
+++ b/git-importer.py
@@ -102,7 +102,7 @@ def main():
             requests_log.propagate = True
 
     if args.export:
-        if len(args.packages) != 0:
+        if len(args.packages) != 1:
             print("Can only export one package")
             sys.exit(1)
         TestExporter(args.packages[0]).run()