diff --git a/Testing/Code/IO/otbIOTests21.cxx b/Testing/Code/IO/otbIOTests21.cxx
index f5d96a296a3b1f9992dd81a1d7c185186cc35be3..6461895506d6025f5f3296f38617004be4f2907d 100644
--- a/Testing/Code/IO/otbIOTests21.cxx
+++ b/Testing/Code/IO/otbIOTests21.cxx
@@ -27,4 +27,5 @@
 void RegisterTests()
 {
   REGISTER_TEST(otbMapFileProductWriterNew);
+  REGISTER_TEST(otbMapFileProductWriter);
 }