diff --git a/contrib/pg_overexplain/expected/pg_overexplain.out b/contrib/pg_overexplain/expected/pg_overexplain.out
index f179473d910..a1f9411175e 100644
--- a/contrib/pg_overexplain/expected/pg_overexplain.out
+++ b/contrib/pg_overexplain/expected/pg_overexplain.out
@@ -1,6 +1,9 @@
 -- These tests display internal details that would not be stable under
 -- debug_parallel_query, so make sure that option is disabled.
 SET debug_parallel_query = off;
+-- Make sure that we don't print any JIT-related information, as that
+-- would also make results unstable.
+SET jit = off;
 -- These options do not exist, so these queries should all fail.
 EXPLAIN (DEBUFF) SELECT 1;
 ERROR:  unrecognized EXPLAIN option "debuff"
diff --git a/contrib/pg_overexplain/sql/pg_overexplain.sql b/contrib/pg_overexplain/sql/pg_overexplain.sql
index a9634e443a0..e715d337d01 100644
--- a/contrib/pg_overexplain/sql/pg_overexplain.sql
+++ b/contrib/pg_overexplain/sql/pg_overexplain.sql
@@ -2,6 +2,10 @@
 -- debug_parallel_query, so make sure that option is disabled.
 SET debug_parallel_query = off;
 
+-- Make sure that we don't print any JIT-related information, as that
+-- would also make results unstable.
+SET jit = off;
+
 -- These options do not exist, so these queries should all fail.
 EXPLAIN (DEBUFF) SELECT 1;
 EXPLAIN (DEBUG) SELECT 1;