diff --git a/test_fms/diag_manager/test_diag_manager2.sh b/test_fms/diag_manager/test_diag_manager2.sh
index 3e92781ad..629934b0b 100755
--- a/test_fms/diag_manager/test_diag_manager2.sh
+++ b/test_fms/diag_manager/test_diag_manager2.sh
@@ -560,13 +560,13 @@ diag_files:
   - module: test_diag_manager_mod
     var_name: sstt
     output_name: sstt
-    reduction: average
+    reduction: none
     kind: r4
     long_name: S S T
   - module: test_diag_manager_mod
     var_name: sstt2
     output_name: sstt2
-    reduction: average
+    reduction: none
     kind: r4
     long_name: S S T
     write_var: false
diff --git a/test_fms/diag_manager/test_diag_yaml.F90 b/test_fms/diag_manager/test_diag_yaml.F90
index 57b8610e3..57dfe5ba4 100644
--- a/test_fms/diag_manager/test_diag_yaml.F90
+++ b/test_fms/diag_manager/test_diag_yaml.F90
@@ -25,7 +25,7 @@ program test_diag_yaml
 use fms_diag_yaml_mod
 use diag_data_mod, only: DIAG_NULL, DIAG_ALL, get_base_year, get_base_month, get_base_day, get_base_hour, &
                        & get_base_minute, get_base_second, diag_data_init, DIAG_HOURS, DIAG_NULL, DIAG_DAYS, &
-                       & time_average, r4, middle_time, end_time
+                       & time_average, r4, middle_time, end_time, time_none
 use  time_manager_mod, only: set_calendar_type, JULIAN
 use mpp_mod
 use platform_mod
@@ -165,7 +165,7 @@ subroutine compare_diag_fields(res)
 
   call compare_result("var_reduction 1", res(1)%get_var_reduction(), time_average)
   call compare_result("var_reduction 2", res(2)%get_var_reduction(), time_average)
-  call compare_result("var_reduction 3", res(3)%get_var_reduction(), time_average)
+  call compare_result("var_reduction 3", res(3)%get_var_reduction(), time_none)
 
   call compare_result("var_module 1", res(1)%get_var_module(), "test_diag_manager_mod")
   call compare_result("var_module 2", res(2)%get_var_module(), "test_diag_manager_mod")