diff --git a/ocean/input.nml b/ocean/input.nml
index 5de3dd9e..c57fc4d7 100644
--- a/ocean/input.nml
+++ b/ocean/input.nml
@@ -509,7 +509,7 @@
       remap_depth_to_s_init=.false.
       zero_tracer_source=.false.
       limit_age_tracer=.true.
-      age_tracer_max_init=0.
+      age_tracer_max_init=1000000
       frazil_heating_after_vphysics=.true.
       frazil_heating_before_vphysics=.false.
 /
diff --git a/testing/checksum/historical-24hr-checksum.json b/testing/checksum/historical-24hr-checksum.json
index 3a1cf7c1..33dfdbd2 100644
--- a/testing/checksum/historical-24hr-checksum.json
+++ b/testing/checksum/historical-24hr-checksum.json
@@ -217,7 +217,7 @@
       "-290121576641670594"
     ],
     "age_global": [
-      "5892128092542146818"
+      "5892143009061021717"
     ],
     "frazil": [
       "552477487155652547"