diff --git a/tsl/test/expected/hypercore_join.out b/tsl/test/expected/hypercore_join.out
index 27b3456b2..9cf901eac 100644
--- a/tsl/test/expected/hypercore_join.out
+++ b/tsl/test/expected/hypercore_join.out
@@ -108,6 +108,8 @@ select format('%I.%I', chunk_schema, chunk_name)::regclass as chunk2
 -- We disable columnar scan for these tests since we have a dedicated
 -- test for this.
 set timescaledb.enable_columnarscan to false;
+-- Discourage seqscan to make sure we predictibly use indexscan
+set enable_seqscan to false;
 set enable_memoize to false;
 -- Create a hypercore with a few rows and use the big table to join
 -- with it. This should put the hypercore as the inner relation and
diff --git a/tsl/test/sql/hypercore_join.sql b/tsl/test/sql/hypercore_join.sql
index 27dafe8ad..0877e5420 100644
--- a/tsl/test/sql/hypercore_join.sql
+++ b/tsl/test/sql/hypercore_join.sql
@@ -7,6 +7,8 @@
 -- We disable columnar scan for these tests since we have a dedicated
 -- test for this.
 set timescaledb.enable_columnarscan to false;
+-- Discourage seqscan to make sure we predictibly use indexscan
+set enable_seqscan to false;
 
 set enable_memoize to false;
 
diff --git a/tsl/test/sql/include/hypercore_join_test.sql b/tsl/test/sql/include/hypercore_join_test.sql
index e74440e4d..b469165f3 100644
--- a/tsl/test/sql/include/hypercore_join_test.sql
+++ b/tsl/test/sql/include/hypercore_join_test.sql
@@ -37,4 +37,3 @@ where r.device_id is distinct from e.device_id;
 
 drop table :inner;
 drop table :outer;
-