diff --git a/comex/src-mpi-pr/comex_impl.h b/comex/src-mpi-pr/comex_impl.h
index bc3ec4671..817724081 100644
--- a/comex/src-mpi-pr/comex_impl.h
+++ b/comex/src-mpi-pr/comex_impl.h
@@ -32,9 +32,9 @@
 #define ENABLE_PUT_PACKED 1
 #define ENABLE_GET_PACKED 1
 #define ENABLE_ACC_PACKED 1
-#define ENABLE_PUT_DATATYPE 0
-#define ENABLE_GET_DATATYPE 0
-#define ENABLE_ACC_DATATYPE 0
+#define ENABLE_PUT_DATATYPE 1
+#define ENABLE_GET_DATATYPE 1
+#define ENABLE_ACC_DATATYPE 1
 #define ENABLE_PUT_IOV 1
 #define ENABLE_GET_IOV 1
 #define ENABLE_ACC_IOV 1