diff --git a/test/expected/ivfflat_bit.out b/test/expected/ivfflat_bit.out
index 2457e6f..de4235d 100644
--- a/test/expected/ivfflat_bit.out
+++ b/test/expected/ivfflat_bit.out
@@ -35,6 +35,17 @@ NOTICE:  ivfflat index created with little data
 DETAIL:  This will cause low recall.
 HINT:  Drop the index until the table has more data.
 DROP TABLE t;
+-- dimensions
+CREATE TABLE t (val bit(64000));
+CREATE INDEX ON t USING ivfflat (val bit_hamming_ops);
+NOTICE:  ivfflat index created with little data
+DETAIL:  This will cause low recall.
+HINT:  Drop the index until the table has more data.
+DROP TABLE t;
+CREATE TABLE t (val bit(64001));
+CREATE INDEX ON t USING ivfflat (val bit_hamming_ops);
+ERROR:  column cannot have more than 64000 dimensions for ivfflat index
+DROP TABLE t;
 -- memory
 CREATE TABLE t (val bit(64000));
 CREATE INDEX ON t USING ivfflat (val bit_hamming_ops) WITH (lists = 32768);
diff --git a/test/sql/ivfflat_bit.sql b/test/sql/ivfflat_bit.sql
index f76d8a4..5aa74a1 100644
--- a/test/sql/ivfflat_bit.sql
+++ b/test/sql/ivfflat_bit.sql
@@ -22,6 +22,16 @@ CREATE INDEX ON t USING ivfflat ((val::bit(64001)) bit_hamming_ops) WITH (lists
 CREATE INDEX ON t USING ivfflat ((val::bit(2)) bit_hamming_ops) WITH (lists = 5);
 DROP TABLE t;
 
+-- dimensions
+
+CREATE TABLE t (val bit(64000));
+CREATE INDEX ON t USING ivfflat (val bit_hamming_ops);
+DROP TABLE t;
+
+CREATE TABLE t (val bit(64001));
+CREATE INDEX ON t USING ivfflat (val bit_hamming_ops);
+DROP TABLE t;
+
 -- memory
 
 CREATE TABLE t (val bit(64000));