diff --git a/test/expected/sparsevec_functions.out b/test/expected/sparsevec_functions.out
index 96205ce..c1cbf3e 100644
--- a/test/expected/sparsevec_functions.out
+++ b/test/expected/sparsevec_functions.out
@@ -218,3 +218,15 @@ SELECT l1_distance('{1:3e38}/1'::sparsevec, '{1:-3e38}/1');
     Infinity
 (1 row)
 
+SELECT l1_distance('{1:1,3:3,5:5,7:7}/8'::sparsevec, '{2:2,4:4,6:6,8:8}/8');
+ l1_distance 
+-------------
+          36
+(1 row)
+
+SELECT l1_distance('{1:1,3:3,5:5,7:7,9:9}/9'::sparsevec, '{2:2,4:4,6:6,8:8}/9');
+ l1_distance 
+-------------
+          45
+(1 row)
+
diff --git a/test/sql/sparsevec_functions.sql b/test/sql/sparsevec_functions.sql
index a1e6e42..af1254f 100644
--- a/test/sql/sparsevec_functions.sql
+++ b/test/sql/sparsevec_functions.sql
@@ -42,3 +42,5 @@ SELECT l1_distance('{}/2'::sparsevec, '{1:3,2:4}/2');
 SELECT l1_distance('{}/2'::sparsevec, '{2:1}/2');
 SELECT l1_distance('{1:1,2:2}/2'::sparsevec, '{1:3}/1');
 SELECT l1_distance('{1:3e38}/1'::sparsevec, '{1:-3e38}/1');
+SELECT l1_distance('{1:1,3:3,5:5,7:7}/8'::sparsevec, '{2:2,4:4,6:6,8:8}/8');
+SELECT l1_distance('{1:1,3:3,5:5,7:7,9:9}/9'::sparsevec, '{2:2,4:4,6:6,8:8}/9');