diff --git a/zerver/management/commands/rename-stream.py b/zerver/management/commands/rename_stream.py
similarity index 92%
rename from zerver/management/commands/rename-stream.py
rename to zerver/management/commands/rename_stream.py
index f8b230c8dd..2df2f599c6 100644
--- a/zerver/management/commands/rename-stream.py
+++ b/zerver/management/commands/rename_stream.py
@@ -10,7 +10,7 @@ import sys
 class Command(BaseCommand):
     help = """Change the stream name for a realm.
 
-Usage: python manage.py rename-stream <domain> <old name> <new name>"""
+Usage: python manage.py rename_stream <domain> <old name> <new name>"""
 
     def handle(self, *args, **options):
         if len(args) != 3: