diff --git a/lib/WebGUI/Macro.pm b/lib/WebGUI/Macro.pm
index 1b41d87ec..da0f89ae5 100644
--- a/lib/WebGUI/Macro.pm
+++ b/lib/WebGUI/Macro.pm
@@ -48,7 +48,7 @@ These functions are available from this package:
 our $parenthesis = qr /\(                      # Start with '(',
                      (?:                     # Followed by
                      (?>[^()]+)              # Non-parenthesis
-                     |(??{ $parenthesis })   # Or a balanced parenthesis block
+                     |(??{ $::parenthesis })   # Or a balanced parenthesis block
                      )*                      # zero or more times
                      \)/x;                  # Ending with ')'
 
@@ -56,7 +56,7 @@ our $parenthesis = qr /\(                      # Start with '(',
 our $nestedMacro = qr /(\^                     # Start with carat
                      ([^\^;()]+)            # And one or more none-macro characters -tagged-
                      ((?:                   # Followed by
-                     (??{ $parenthesis })   # a balanced parenthesis block
+                     (??{ $::parenthesis })   # a balanced parenthesis block
                      |(?>[^\^;])            # Or not a carat or semicolon
 #                    |(??{ $nestedMacro }) # Or a balanced carat-semicolon block
                      )*)                    # zero or more times -tagged-