diff --git a/README.md b/README.md
index e67bff9d..af770da3 100644
--- a/README.md
+++ b/README.md
@@ -216,7 +216,11 @@ match(command: Command, settings: Settings) -> bool
 get_new_command(command: Command, settings: Settings) -> str | list[str]
 ```
 
-Also the rule can contain an optional function `side_effect(command: Command, settings: Settings) -> None`
+Also the rule can contain an optional function
+
+```python
+side_effect(old_command: Command, fixed_command: str, settings: Settings) -> None
+```
 and optional `enabled_by_default`, `requires_output` and `priority` variables.
 
 `Command` has three attributes: `script`, `stdout` and `stderr`.
diff --git a/tests/rules/test_dirty_untar.py b/tests/rules/test_dirty_untar.py
index 77d125d2..6043c33e 100644
--- a/tests/rules/test_dirty_untar.py
+++ b/tests/rules/test_dirty_untar.py
@@ -51,7 +51,7 @@ def test_match(tar_error, filename, script, fixed):
 @parametrize_script
 def test_side_effect(tar_error, filename, script, fixed):
     tar_error(filename)
-    side_effect(Command(script=script.format(filename)), None)
+    side_effect(Command(script=script.format(filename)), None, None)
     assert(os.listdir('.') == [filename])
 
 
diff --git a/tests/rules/test_dirty_unzip.py b/tests/rules/test_dirty_unzip.py
index 18d34f0d..74dabf3f 100644
--- a/tests/rules/test_dirty_unzip.py
+++ b/tests/rules/test_dirty_unzip.py
@@ -34,7 +34,7 @@ def test_match(zip_error, script):
     'unzip foo',
     'unzip foo.zip'])
 def test_side_effect(zip_error, script):
-    side_effect(Command(script=script), None)
+    side_effect(Command(script=script), None, None)
     assert(os.listdir('.') == ['foo.zip'])
 
 
diff --git a/tests/rules/test_ssh_known_host.py b/tests/rules/test_ssh_known_host.py
index ed414bc1..7d201f3a 100644
--- a/tests/rules/test_ssh_known_host.py
+++ b/tests/rules/test_ssh_known_host.py
@@ -56,7 +56,7 @@ def test_match(ssh_error):
 def test_side_effect(ssh_error):
     errormsg, path, reset, known_hosts = ssh_error
     command = Command('ssh user@host', stderr=errormsg)
-    side_effect(command, None)
+    side_effect(command, None, None)
     expected = ['123.234.567.890 asdjkasjdakjsd\n', '111.222.333.444 qwepoiwqepoiss\n']
     assert known_hosts(path) == expected
 
diff --git a/thefuck/main.py b/thefuck/main.py
index c30ff7cf..24dc697c 100644
--- a/thefuck/main.py
+++ b/thefuck/main.py
@@ -74,10 +74,10 @@ def get_command(settings, args):
             return types.Command(script, None, None)
 
 
-def run_command(command, settings):
+def run_command(old_cmd, command, settings):
     """Runs command from rule for passed command."""
     if command.side_effect:
-        command.side_effect(command, settings)
+        command.side_effect(old_cmd, command.script, settings)
     shells.put_to_history(command.script)
     print(command.script)
 
@@ -100,7 +100,7 @@ def fix_command():
         corrected_commands = get_corrected_commands(command, user_dir, settings)
         selected_command = select_command(corrected_commands, settings)
         if selected_command:
-            run_command(selected_command, settings)
+            run_command(command, selected_command, settings)
 
 
 def print_alias(entry_point=True):
diff --git a/thefuck/rules/dirty_untar.py b/thefuck/rules/dirty_untar.py
index 3b323daf..8dc40488 100644
--- a/thefuck/rules/dirty_untar.py
+++ b/thefuck/rules/dirty_untar.py
@@ -35,7 +35,7 @@ def get_new_command(command, settings):
                  .format(dir=_tar_file(command.script)[1], cmd=command.script)
 
 
-def side_effect(command, settings):
-    with tarfile.TarFile(_tar_file(command.script)[0]) as archive:
+def side_effect(old_cmd, command, settings):
+    with tarfile.TarFile(_tar_file(old_cmd.script)[0]) as archive:
         for file in archive.getnames():
             os.remove(file)
diff --git a/thefuck/rules/dirty_unzip.py b/thefuck/rules/dirty_unzip.py
index 4f6e6bcc..738cf82f 100644
--- a/thefuck/rules/dirty_unzip.py
+++ b/thefuck/rules/dirty_unzip.py
@@ -30,8 +30,8 @@ def get_new_command(command, settings):
     return '{} -d {}'.format(command.script, _zip_file(command)[:-4])
 
 
-def side_effect(command, settings):
-    with zipfile.ZipFile(_zip_file(command), 'r') as archive:
+def side_effect(old_cmd, command, settings):
+    with zipfile.ZipFile(_zip_file(old_cmd), 'r') as archive:
         for file in archive.namelist():
             os.remove(file)
 
diff --git a/thefuck/rules/ssh_known_hosts.py b/thefuck/rules/ssh_known_hosts.py
index 4e889696..df908d00 100644
--- a/thefuck/rules/ssh_known_hosts.py
+++ b/thefuck/rules/ssh_known_hosts.py
@@ -26,8 +26,8 @@ def get_new_command(command, settings):
     return command.script
 
 
-def side_effect(command, settings):
-    offending = offending_pattern.findall(command.stderr)
+def side_effect(old_cmd, command, settings):
+    offending = offending_pattern.findall(old_cmd.stderr)
     for filepath, lineno in offending:
         with open(filepath, 'r') as fh:
             lines = fh.readlines()