diff --git a/.github/workflows/linux-32bit-build-and-test.yaml b/.github/workflows/linux-32bit-build-and-test.yaml
index 3bbafe70f..2455b4b2c 100644
--- a/.github/workflows/linux-32bit-build-and-test.yaml
+++ b/.github/workflows/linux-32bit-build-and-test.yaml
@@ -29,7 +29,7 @@ jobs:
             ignores: append-13 debug_notice transparent_decompression-13 transparent_decompress_chunk-13 pg_dump
             pg_major: 13
           - pg: "14.1"
-            ignores: append-14 debug_notice transparent_decompression-14 transparent_decompress_chunk-14 pg_dump
+            ignores: append-14 debug_notice transparent_decompression-14 transparent_decompress_chunk-14 pg_dump memoize
             pg_major: 14
 
     steps:
diff --git a/src/time_bucket.c b/src/time_bucket.c
index 83b0a034b..593a71548 100644
--- a/src/time_bucket.c
+++ b/src/time_bucket.c
@@ -438,7 +438,7 @@ ts_time_bucket_ng_date(PG_FUNCTION_ARGS)
 
 		delta = (year * 12 + month) - (origin_year * 12 + origin_month);
 		bucket_number = delta / interval->month;
-		year = origin_year + (bucket_number * interval->month) / 12;
+		year = origin_year + (origin_month - 1 + bucket_number * interval->month) / 12;
 		month =
 			(((origin_year * 12 + (origin_month - 1)) + (bucket_number * interval->month)) % 12) +
 			1;
diff --git a/test/expected/timestamp.out b/test/expected/timestamp.out
index b378f49d7..f19d2a486 100644
--- a/test/expected/timestamp.out
+++ b/test/expected/timestamp.out
@@ -1630,13 +1630,13 @@ FROM generate_series('2020-01-01' :: date, '2020-12-01', '1 month') AS ts,
      unnest(array[ts :: date]) AS d;
      d      |     m1     |     m2     |     m3     |     m4     |     m5     
 ------------+------------+------------+------------+------------+------------
- 2020-01-01 | 2019-01-01 | 2019-01-01 | 2019-11-01 | 2019-01-01 | 2019-10-01
- 2020-02-01 | 2019-02-01 | 2019-01-01 | 2019-02-01 | 2019-01-01 | 2019-10-01
- 2020-03-01 | 2019-03-01 | 2019-03-01 | 2019-02-01 | 2019-01-01 | 2019-03-01
- 2020-04-01 | 2019-04-01 | 2019-03-01 | 2019-02-01 | 2019-01-01 | 2019-03-01
- 2020-05-01 | 2020-05-01 | 2020-05-01 | 2020-05-01 | 2020-05-01 | 2019-03-01
- 2020-06-01 | 2020-06-01 | 2020-05-01 | 2020-05-01 | 2020-05-01 | 2019-03-01
- 2020-07-01 | 2020-07-01 | 2020-07-01 | 2020-05-01 | 2020-05-01 | 2019-03-01
+ 2020-01-01 | 2020-01-01 | 2020-01-01 | 2019-11-01 | 2020-01-01 | 2019-10-01
+ 2020-02-01 | 2020-02-01 | 2020-01-01 | 2020-02-01 | 2020-01-01 | 2019-10-01
+ 2020-03-01 | 2020-03-01 | 2020-03-01 | 2020-02-01 | 2020-01-01 | 2020-03-01
+ 2020-04-01 | 2020-04-01 | 2020-03-01 | 2020-02-01 | 2020-01-01 | 2020-03-01
+ 2020-05-01 | 2020-05-01 | 2020-05-01 | 2020-05-01 | 2020-05-01 | 2020-03-01
+ 2020-06-01 | 2020-06-01 | 2020-05-01 | 2020-05-01 | 2020-05-01 | 2020-03-01
+ 2020-07-01 | 2020-07-01 | 2020-07-01 | 2020-05-01 | 2020-05-01 | 2020-03-01
  2020-08-01 | 2020-08-01 | 2020-07-01 | 2020-08-01 | 2020-05-01 | 2020-08-01
  2020-09-01 | 2020-09-01 | 2020-09-01 | 2020-08-01 | 2020-09-01 | 2020-08-01
  2020-10-01 | 2020-10-01 | 2020-09-01 | 2020-08-01 | 2020-09-01 | 2020-08-01