diff --git a/src/ast/identifier_expression.h b/src/ast/identifier_expression.h
index d1a2b77..1021bdd 100644
--- a/src/ast/identifier_expression.h
+++ b/src/ast/identifier_expression.h
@@ -76,9 +76,12 @@
   bool IsValid() const override;
 
   /// Writes a representation of the node to the output stream
+  /// @param sem the semantic info for the program
   /// @param out the stream to write to
   /// @param indent number of spaces to indent the node when writing
-  void to_str(std::ostream& out, size_t indent) const override;
+  void to_str(const semantic::Info& sem,
+              std::ostream& out,
+              size_t indent) const override;
 
  private:
   IdentifierExpression(const IdentifierExpression&) = delete;