1 files changed, 1 insertions, 1 deletions
diff --git a/g.peg b/g.peg
index 056ca7a..08ded48 100644
--- a/g.peg
+++ b/g.peg
@@ -46,7 +46,7 @@ number <- < [0-9]+ > (! ident_char) _  { $$ = astnode_new_num(atoi($1)); }
 ident <- < ident_char+ > _ { $$ = astnode_new_ident($1); }
 string <- '"' < [^"]* > '"' _ { $$ = astnode_new_string($1); }
 
-ident_char <- [-_a-zA-Z'+*/\\%=0-9<>]
+ident_char <- [-_a-zA-Z'+*/\\%=0-9<>!]
 _ <- [ \t\n]*