diff --git a/resources/rapydscript/compiler.js.xz b/resources/rapydscript/compiler.js.xz
index f4b037a951..84c9945419 100644
Binary files a/resources/rapydscript/compiler.js.xz and b/resources/rapydscript/compiler.js.xz differ
diff --git a/resources/rapydscript/lib/re.pyj b/resources/rapydscript/lib/re.pyj
index 316692fb72..7dc97f0285 100644
--- a/resources/rapydscript/lib/re.pyj
+++ b/resources/rapydscript/lib/re.pyj
@@ -122,7 +122,7 @@ def _expand(groups, repl, group_name_map):
 
         return '\\' + q
 
-    ans = ''
+    ans = ch = ''
     while (ch = next()):
         if ch == '\\':
             ans += read_escape_sequence()