diff --git a/centvrion/parser.py b/centvrion/parser.py
index 3ead9e5..cf736b6 100644
--- a/centvrion/parser.py
+++ b/centvrion/parser.py
@@ -16,7 +16,7 @@ class Parser():
         ('left', ["SYMBOL_COLON", "SYMBOL_PLUS", "SYMBOL_MINUS"]),
         ('left', ["SYMBOL_TIMES", "SYMBOL_DIVIDE"]),
         ('right', ["UMINUS", "UNOT"]),
-        ('left', ["INDEX"]),
+        ('left', ["SYMBOL_LBRACKET", "INDEX"]),
       ]
     )