diff --git a/tutorial/cpp/CppClient.cpp b/tutorial/cpp/CppClient.cpp
index a3f17fe..4dac90c 100644
--- a/tutorial/cpp/CppClient.cpp
+++ b/tutorial/cpp/CppClient.cpp
@@ -53,7 +53,7 @@
     printf("1+1=%d\n", sum);
 
     Work work;
-    work.op = DIVIDE;
+    work.op = Operation::DIVIDE;
     work.num1 = 1;
     work.num2 = 0;
 
@@ -64,7 +64,7 @@
       printf("InvalidOperation: %s\n", io.why.c_str());
     }
 
-    work.op = SUBTRACT;
+    work.op = Operation::SUBTRACT;
     work.num1 = 15;
     work.num2 = 10;
     int32_t diff = client.calculate(1, work);