diff --git a/src/vm/obj/syn/lexer.l b/src/vm/obj/syn/lexer.l
index 7ce1a8a..4dfd5a7 100644
--- a/src/vm/obj/syn/lexer.l
+++ b/src/vm/obj/syn/lexer.l
@@ -9,6 +9,8 @@
 \)                                  "RPAREN"
 \{                                  "LBRACE"
 \}                                  "RBRACE"
+\[                                  "LBRACKET"
+\]                                  "RBRACKET"
 \.\.                                "DOTDOT"
 :                                   "COLON"
 ,                                   "COMMA"