diff --git a/solidity_parser/parser.py b/solidity_parser/parser.py
index 20ee97e..30ea087 100644
--- a/solidity_parser/parser.py
+++ b/solidity_parser/parser.py
@@ -226,6 +226,7 @@ def visitParameter(self, ctx: SolidityParser.ParameterContext):
 
         return Node(ctx=ctx,
                     type="Parameter",
+                    typeName=self.visit(ctx.typeName()),
                     name=name,
                     storageLocation=storageLocation,
                     isStateVar=False,