diff --git a/b2/_internal/console_tool.py b/b2/_internal/console_tool.py
index 662443d2..2e2abffa 100644
--- a/b2/_internal/console_tool.py
+++ b/b2/_internal/console_tool.py
@@ -2299,7 +2299,7 @@ class KeyListBase(Command):
 
     @classmethod
     def _setup_parser(cls, parser):
-        parser.add_argument('--long', action='store_true')
+        parser.add_argument('-l', '--long', action='store_true')
         super()._setup_parser(parser)
 
     def __init__(self, console_tool):
@@ -2491,7 +2491,7 @@ class BaseLs(AbstractLsCommand, metaclass=ABCMeta):
 
     @classmethod
     def _setup_parser(cls, parser):
-        parser.add_argument('--long', action='store_true')
+        parser.add_argument('-l', '--long', action='store_true')
         parser.add_argument('--json', action='store_true')
         parser.add_argument('--replication', action='store_true')
         super()._setup_parser(parser)
diff --git a/changelog.d/+long_alias.added.md b/changelog.d/+long_alias.added.md
new file mode 100644
index 00000000..572c0b92
--- /dev/null
+++ b/changelog.d/+long_alias.added.md
@@ -0,0 +1 @@
+Add `-l` as an alias for `--long` argument.