diff --git a/parser.leg b/parser.leg
index 1360801..8a60e3f 100644
--- a/parser.leg
+++ b/parser.leg
@@ -646,7 +646,7 @@ Spnl =          Sp (Newline Sp)?
 SpecialChar =   '*' | '_' | '`' | '&' | '[' | ']' | '<' | '!' | '\\' | ExtendedSpecialChar
 NormalChar =    !( SpecialChar | Spacechar | Newline ) .
 NonAlphanumeric = [\000-\057\072-\100\133-\140\173-\177]
-Alphanumeric = [0-9A-Za-z\178-\377]
+Alphanumeric = [0-9A-Za-z\200-\377]
 AlphanumericAscii = [A-Za-z0-9]
 Digit = [0-9]