diff --git a/linter.py b/linter.py
index e4f9cb5..bde4922 100644
--- a/linter.py
+++ b/linter.py
@@ -33,6 +33,7 @@ class Rubocop(RubyLinter):
         r'((?P<code>\w+/\w+): )?'
         r'(?P<message>.+)$'
     )
+    word_re = r'^((@|@@|\$)?\w+[!?]?)'
 
     def cmd(self):
         """Build command, using STDIN if a file path can be determined."""