diff --git a/test/expected/input.out b/test/expected/input.out
index 5ee1c8f..95517b9 100644
--- a/test/expected/input.out
+++ b/test/expected/input.out
@@ -69,6 +69,10 @@ SELECT '[1,,3]'::vector;
 ERROR:  malformed vector literal: "[1,,3]"
 LINE 1: SELECT '[1,,3]'::vector;
                ^
+SELECT '[1, ,3]'::vector;
+ERROR:  invalid input syntax for type vector: "[1, ,3]"
+LINE 1: SELECT '[1, ,3]'::vector;
+               ^
 SELECT '[1,2,3]'::vector(2);
 ERROR:  expected 2 dimensions, not 3
 SELECT unnest('{"[1,2,3]", "[4,5,6]"}'::vector[]);
diff --git a/test/sql/input.sql b/test/sql/input.sql
index 2aad918..df76a7c 100644
--- a/test/sql/input.sql
+++ b/test/sql/input.sql
@@ -13,6 +13,7 @@ SELECT '1,2,3'::vector;
 SELECT '[]'::vector;
 SELECT '[1,]'::vector;
 SELECT '[1,,3]'::vector;
+SELECT '[1, ,3]'::vector;
 SELECT '[1,2,3]'::vector(2);
 
 SELECT unnest('{"[1,2,3]", "[4,5,6]"}'::vector[]);