diff --git a/flang/runtime/io-stmt.h b/flang/runtime/io-stmt.h
--- a/flang/runtime/io-stmt.h
+++ b/flang/runtime/io-stmt.h
@@ -162,9 +162,8 @@
   bool lastWasUndelimitedCharacter{false};
 };
 template <>
-class ListDirectedStatementState<Direction::Input>
+struct ListDirectedStatementState<Direction::Input>
     : public FormattedIoStatementState {
-public:
   // Skips value separators, handles repetition and null values.
   // Vacant when '/' appears; present with descriptor == ListDirectedNullValue
   // when a null value appears.