diff --git a/extra/peg/ebnf/ebnf.factor b/extra/peg/ebnf/ebnf.factor
index 59695998ce..b500d82e98 100644
--- a/extra/peg/ebnf/ebnf.factor
+++ b/extra/peg/ebnf/ebnf.factor
@@ -153,6 +153,9 @@ DEFER: 'rhs'
       [ dup CHAR: [ = ]
       [ dup CHAR: . = ]
       [ dup CHAR: ! = ]
+      [ dup CHAR: * = ]
+      [ dup CHAR: + = ]
+      [ dup CHAR: ? = ]
     } || not nip    
   ] satisfy repeat1 [ >string <ebnf-non-terminal> ] action ;