diff --git a/diag_manager/diag_manager.F90 b/diag_manager/diag_manager.F90
index 828d267c56..92fdf0e122 100644
--- a/diag_manager/diag_manager.F90
+++ b/diag_manager/diag_manager.F90
@@ -1465,6 +1465,9 @@ LOGICAL FUNCTION send_data_3d(diag_field_id, field, time, is_in, js_in, ks_in, &
     elseif (present(rmask)) then
       send_data_3d = diag_send_data(diag_field_id, field, time=time, is_in=is_in, js_in=js_in, ks_in=ks_in, &
                                rmask=rmask, ie_in=ie_in, je_in=je_in, ke_in=ke_in, weight=weight, err_msg=err_msg)
+    elseif (present(mask)) then
+      send_data_3d = diag_send_data(diag_field_id, field, time=time, is_in=is_in, js_in=js_in, ks_in=ks_in, &
+                               mask=mask, ie_in=ie_in, je_in=je_in, ke_in=ke_in, weight=weight, err_msg=err_msg)
     else
       send_data_3d = diag_send_data(diag_field_id, field, time=time, is_in=is_in, js_in=js_in, ks_in=ks_in, &
                                ie_in=ie_in, je_in=je_in, ke_in=ke_in, weight=weight, err_msg=err_msg)