diff --git a/samplecode/Sample2PtRadial.cpp b/samplecode/Sample2PtRadial.cpp
index 4aadacb..f404d14 100644
--- a/samplecode/Sample2PtRadial.cpp
+++ b/samplecode/Sample2PtRadial.cpp
@@ -32,7 +32,7 @@
     }
 
 private:
-    typedef Sample INHERITED;
+    using INHERITED = Sample;
 };
 
 //////////////////////////////////////////////////////////////////////////////