diff --git a/SWIG/Examples/test-suite/csharp/virtual_poly_runme.cs b/SWIG/Examples/test-suite/csharp/virtual_poly_runme.cs
index c3710e217..fff147a06 100644
--- a/SWIG/Examples/test-suite/csharp/virtual_poly_runme.cs
+++ b/SWIG/Examples/test-suite/csharp/virtual_poly_runme.cs
@@ -19,8 +19,8 @@ public class runme {
         NDouble dc = (NDouble)d.copy();
         NInt ic = (NInt)i.copy();
 
-        NDouble ddc = (NDouble)NDouble.narrow(dc);
-        NInt dic = (NInt)NInt.narrow(ic);
+        NDouble ddc = NDouble.narrow(dc);
+        NInt dic = NInt.narrow(ic);
 
         virtual_poly.incr(ic);
         if ( (i.get() + 1) != ic.get() )