diff --git a/src/pg/test/expected/41_observatory_augmentation_test.out b/src/pg/test/expected/41_observatory_augmentation_test.out
index 959549c..8311660 100644
--- a/src/pg/test/expected/41_observatory_augmentation_test.out
+++ b/src/pg/test/expected/41_observatory_augmentation_test.out
@@ -79,6 +79,9 @@ t
 obs_getmeasurebyid_cartodb_census_tract
 t
 (1 row)
+obs_getmeasurebyid_null_boundary_null_timespan
+t
+(1 row)
 obs_getmeasurebyid_cartodb_block_group
 t
 (1 row)
diff --git a/src/pg/test/sql/41_observatory_augmentation_test.sql b/src/pg/test/sql/41_observatory_augmentation_test.sql
index 3370e78..49513c6 100644
--- a/src/pg/test/sql/41_observatory_augmentation_test.sql
+++ b/src/pg/test/sql/41_observatory_augmentation_test.sql
@@ -212,6 +212,14 @@ SELECT (cdb_observatory.OBS_GetMeasureById(
   '2010 - 2014'
 ) - 3241) / 3241 < 0.0001 As OBS_GetMeasureById_cartodb_census_tract;
 
+-- OBS_GetMeasureById tests
+SELECT cdb_observatory.OBS_GetMeasureById(
+  '36047048500',
+  'us.census.acs.B01003001',
+  NULL,
+  NULL
+) IS NULL As OBS_GetMeasureById_null_boundary_null_timespan;
+
 SELECT (cdb_observatory.OBS_GetMeasureById(
   '360470485002',
   'us.census.acs.B01003001',