diff --git a/src/cst/symbol_declaration.rs b/src/cst/symbol_declaration.rs
index 6fc3bb5..a4b43b0 100644
--- a/src/cst/symbol_declaration.rs
+++ b/src/cst/symbol_declaration.rs
@@ -140,6 +140,18 @@ impl<'a> SymbolDeclaration {
             Tag::UNQUALIFIED_ID,
             Tag::SYMBOL_IDENTIFIER,
         ],
+        vec![
+            Tag::PORT_DECLARATION,
+            Tag::UNQUALIFIED_ID,
+            Tag::ESCAPEDIDENTIFIER,
+        ],
+            vec![
+            Tag::PORT,
+            Tag::PORT_REFERENCE,
+            Tag::UNQUALIFIED_ID,
+            Tag::ESCAPEDIDENTIFIER,
+        ],
+
         ];
 
         let dim_path = [