diff --git a/ruby.jsf b/ruby.jsf
index f200f7a..e0b9073 100644
--- a/ruby.jsf
+++ b/ruby.jsf
@@ -495,7 +495,7 @@ done
 
 :symbol Symbol
 	*		rest		noeat
-	"a-zA-Z0-9_"	symbol
+	"a-zA-Z0-9_?!"	symbol
 
 :symbol_str Symbol
 	*		symbol_str