diff --git a/test/expected/hnsw_vector.out b/test/expected/hnsw_vector.out
index 8de76b6..86b27f5 100644
--- a/test/expected/hnsw_vector.out
+++ b/test/expected/hnsw_vector.out
@@ -182,4 +182,12 @@ SHOW hnsw.max_scan_tuples;
 
 SET hnsw.max_scan_tuples = 0;
 ERROR:  0 is outside the valid range for parameter "hnsw.max_scan_tuples" (1 .. 2147483647)
+SHOW hnsw.scan_mem_multiplier;
+ hnsw.scan_mem_multiplier 
+--------------------------
+ 2
+(1 row)
+
+SET hnsw.scan_mem_multiplier = 0;
+ERROR:  0 is outside the valid range for parameter "hnsw.scan_mem_multiplier" (1 .. 1000)
 DROP TABLE t;
diff --git a/test/sql/hnsw_vector.sql b/test/sql/hnsw_vector.sql
index e55d2e5..868e467 100644
--- a/test/sql/hnsw_vector.sql
+++ b/test/sql/hnsw_vector.sql
@@ -106,4 +106,8 @@ SHOW hnsw.max_scan_tuples;
 
 SET hnsw.max_scan_tuples = 0;
 
+SHOW hnsw.scan_mem_multiplier;
+
+SET hnsw.scan_mem_multiplier = 0;
+
 DROP TABLE t;