diff --git a/deploy/unset_season_range.sql b/deploy/unset_season_range.sql
index 28b2ee3..129fb0f 100644
--- a/deploy/unset_season_range.sql
+++ b/deploy/unset_season_range.sql
@@ -13,6 +13,8 @@ declare
 	tmp_range daterange;
 	tmp_id integer;
 begin
+	delete from season_calendar where range @> season_range;
+
 	for tmp_id, tmp_range in
 		select season_id, season_range
 		from season_calendar
@@ -25,8 +27,6 @@ begin
 		;
 	end loop;
 
-	delete from season_calendar where range @> season_range;
-
 	update season_calendar
 	set season_range = season_range - range
 	where season_range && range
diff --git a/test/unset_season_range.sql b/test/unset_season_range.sql
index 76ded84..583571a 100644
--- a/test/unset_season_range.sql
+++ b/test/unset_season_range.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(14);
+select plan(15);
 
 set search_path to camper, public;
 
@@ -47,12 +47,17 @@ values ( 9, '[2023-04-01, 2023-04-05]')
      , (10, '[2023-04-20, 2023-04-22]')
      , ( 9, '[2023-04-23, 2023-04-27]')
      , ( 8, '[2023-04-28, 2023-04-30]')
+     , ( 7, '[2023-05-01, 2023-05-31]')
 ;
 
 select lives_ok($$ select unset_season_range('[2023-04-08, 2023-04-11]') $$);
 select lives_ok($$ select unset_season_range('[2023-04-15, 2023-04-15]') $$);
 select lives_ok($$ select unset_season_range('[2023-04-20, 2023-04-23]') $$);
 select lives_ok($$ select unset_season_range('[2023-04-26, 2023-04-29]') $$);
+select lives_ok(
+	$$ select unset_season_range('[2023-05-01, 2023-05-31]') $$,
+	'Should work if the range to unset is exactly the same as an existing range'
+);
 
 select bag_eq(
 	$$ select season_id, season_range from season_calendar $$,