diff --git a/test/expected/halfvec_functions.out b/test/expected/halfvec_functions.out
index aaf3588..e7e3d76 100644
--- a/test/expected/halfvec_functions.out
+++ b/test/expected/halfvec_functions.out
@@ -414,6 +414,12 @@ SELECT subvector('[1,2,3,4,5]'::halfvec, 3, 2147483647);
  [3,4,5]
 (1 row)
 
+SELECT subvector('[1,2,3,4,5]'::halfvec, -2147483644, 2147483647);
+ subvector 
+-----------
+ [1,2]
+(1 row)
+
 SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::halfvec, '[3,5,7]']) v;
     avg    
 -----------
diff --git a/test/expected/vector_functions.out b/test/expected/vector_functions.out
index 4b22927..dd3654c 100644
--- a/test/expected/vector_functions.out
+++ b/test/expected/vector_functions.out
@@ -438,6 +438,12 @@ SELECT subvector('[1,2,3,4,5]'::vector, 3, 2147483647);
  [3,4,5]
 (1 row)
 
+SELECT subvector('[1,2,3,4,5]'::vector, -2147483644, 2147483647);
+ subvector 
+-----------
+ [1,2]
+(1 row)
+
 SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]']) v;
     avg    
 -----------
diff --git a/test/sql/halfvec_functions.sql b/test/sql/halfvec_functions.sql
index 77a1a88..efd005a 100644
--- a/test/sql/halfvec_functions.sql
+++ b/test/sql/halfvec_functions.sql
@@ -92,6 +92,7 @@ SELECT subvector('[1,2,3,4,5]'::halfvec, 3, -1);
 SELECT subvector('[1,2,3,4,5]'::halfvec, -1, 2);
 SELECT subvector('[1,2,3,4,5]'::halfvec, 2147483647, 10);
 SELECT subvector('[1,2,3,4,5]'::halfvec, 3, 2147483647);
+SELECT subvector('[1,2,3,4,5]'::halfvec, -2147483644, 2147483647);
 
 SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::halfvec, '[3,5,7]']) v;
 SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::halfvec, '[3,5,7]', NULL]) v;
diff --git a/test/sql/vector_functions.sql b/test/sql/vector_functions.sql
index 25eb810..7b4de45 100644
--- a/test/sql/vector_functions.sql
+++ b/test/sql/vector_functions.sql
@@ -96,6 +96,7 @@ SELECT subvector('[1,2,3,4,5]'::vector, 3, -1);
 SELECT subvector('[1,2,3,4,5]'::vector, -1, 2);
 SELECT subvector('[1,2,3,4,5]'::vector, 2147483647, 10);
 SELECT subvector('[1,2,3,4,5]'::vector, 3, 2147483647);
+SELECT subvector('[1,2,3,4,5]'::vector, -2147483644, 2147483647);
 
 SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]']) v;
 SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]', NULL]) v;