diff --git a/tests/rules/test_man.py b/tests/rules/test_man.py
index b2e7f281..883d7366 100644
--- a/tests/rules/test_man.py
+++ b/tests/rules/test_man.py
@@ -2,6 +2,7 @@ import pytest
 from thefuck.rules.man import match, get_new_command
 from tests.utils import Command
 
+
 @pytest.mark.parametrize('command', [
     Command('man read'),
     Command('man 2 read'),
@@ -14,6 +15,13 @@ def test_match(command):
     assert match(command, None)
 
 
+@pytest.mark.parametrize('command', [
+    Command('man'),
+    Command('man ')])
+def test_not_match(command):
+    assert not match(command, None)
+
+
 @pytest.mark.parametrize('command, new_command', [
     (Command('man read'), 'man 3 read'),
     (Command('man 2 read'), 'man 3 read'),
diff --git a/thefuck/rules/man.py b/thefuck/rules/man.py
index 13ff0c6a..0b15c5fc 100644
--- a/thefuck/rules/man.py
+++ b/thefuck/rules/man.py
@@ -1,5 +1,5 @@
 def match(command, settings):
-    return command.script.startswith('man')
+    return command.script.strip().startswith('man ')
 
 
 def get_new_command(command, settings):