diff --git a/tests/rules/test_ls_lah.py b/tests/rules/test_ls_lah.py
index c453f6e..66bc836 100644
--- a/tests/rules/test_ls_lah.py
+++ b/tests/rules/test_ls_lah.py
@@ -3,9 +3,12 @@ from thefuck.rules.ls_lah import match, get_new_command
 
 
 def test_match():
+    assert match(Mock(script='ls'), None)
     assert match(Mock(script='ls file.py'), None)
     assert match(Mock(script='ls /opt'), None)
     assert not match(Mock(script='ls -lah /opt'), None)
+    assert not match(Mock(script='pacman -S binutils'), None)
+    assert not match(Mock(script='lsof'), None)
 
 
 def test_get_new_command():
diff --git a/thefuck/rules/ls_lah.py b/thefuck/rules/ls_lah.py
index 7eba5bd..70f6baa 100644
--- a/thefuck/rules/ls_lah.py
+++ b/thefuck/rules/ls_lah.py
@@ -1,5 +1,7 @@
 def match(command, settings):
-    return 'ls' in command.script and not ('ls -' in command.script)
+    return (command.script == 'ls'
+            or command.script.startswith('ls ')
+            and not ('ls -' in command.script))
 
 
 def get_new_command(command, settings):