diff --git a/pywb/rewrite/regex_rewriters.py b/pywb/rewrite/regex_rewriters.py
index 9f1fa100..d94e9985 100644
--- a/pywb/rewrite/regex_rewriters.py
+++ b/pywb/rewrite/regex_rewriters.py
@@ -181,6 +181,8 @@ if (!self.__WB_pmw) {{ self.__WB_pmw = function(obj) {{ return obj; }} }}\n\
     def __init__(self, rewriter, rules=[]):
         rules = rules + [
            (r'Function\(["\']return this["\']\)', RegexRewriter.format('Function("return this._WB_wombat_obj_proxy || this")'), 0),
+           (r'(?<![$.])\bthis\b(?=(?:\.(?:{0})))'.format('|'.join(self.local_objs)),
+            RegexRewriter.format('(this && this._WB_wombat_obj_proxy || this)'), 0),
            (r'(?<=\.)postMessage\b\(', RegexRewriter.add_prefix('__WB_pmw(self).'), 0),
         ]