diff --git a/thefuck/rules/rm_root.py b/thefuck/rules/rm_root.py
index 95d9fbdd..b97eda22 100644
--- a/thefuck/rules/rm_root.py
+++ b/thefuck/rules/rm_root.py
@@ -1,6 +1,6 @@
 def match(command, settings):
-    return ('rm' in command.script
-            and '--help' not in command.script
+    return ('/' in command.script
+            and '--no-preserve-root' not in command.script
             and '--no-preserve-root' in command.stderr)