diff --git a/runtime/onert/core/src/util/shapeinf/Cos.cc b/runtime/onert/core/src/util/shapeinf/Cos.cc
index 21fe3bd071b..0ead0797347 100644
--- a/runtime/onert/core/src/util/shapeinf/Cos.cc
+++ b/runtime/onert/core/src/util/shapeinf/Cos.cc
@@ -28,7 +28,7 @@ void StaticInferer::visit(const ir::operation::Cos &op)
 
 void DynamicInferer::visit(const ir::operation::Cos &op)
 {
-  handleSimpleUnaryOp(op, op.getInputs().at(ir::operation::Cos::INPUT));
+  handleSimpleUnaryOp(op, op.getInputs().at(ir::operation::Cos::Input::INPUT));
 }
 
 } // namespace shape_inference