diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index f75b52719d..eb17eddd05 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -2370,6 +2370,7 @@ AtEOXact_PgStat(bool isCommit, bool parallel)
 					/* forget live/dead stats seen by backend thus far */
 					tabstat->t_counts.t_delta_live_tuples = 0;
 					tabstat->t_counts.t_delta_dead_tuples = 0;
+					tabstat->t_counts.t_changed_tuples = 0;
 				}
 				/* insert adds a live tuple, delete removes one */
 				tabstat->t_counts.t_delta_live_tuples +=
@@ -2605,6 +2606,7 @@ pgstat_twophase_postcommit(TransactionId xid, uint16 info,
 		/* forget live/dead stats seen by backend thus far */
 		pgstat_info->t_counts.t_delta_live_tuples = 0;
 		pgstat_info->t_counts.t_delta_dead_tuples = 0;
+		pgstat_info->t_counts.t_changed_tuples = 0;
 	}
 	pgstat_info->t_counts.t_delta_live_tuples +=
 		rec->tuples_inserted - rec->tuples_deleted;
@@ -6455,6 +6457,7 @@ pgstat_recv_tabstat(PgStat_MsgTabstat *msg, int len)
 			{
 				tabentry->n_live_tuples = 0;
 				tabentry->n_dead_tuples = 0;
+				tabentry->changes_since_analyze = 0;
 				tabentry->inserts_since_vacuum = 0;
 			}
 			tabentry->n_live_tuples += tabmsg->t_counts.t_delta_live_tuples;
diff --git a/src/test/regress/expected/stats.out b/src/test/regress/expected/stats.out
index b01e58b98c..e8d96eabd5 100644
--- a/src/test/regress/expected/stats.out
+++ b/src/test/regress/expected/stats.out
@@ -77,7 +77,7 @@ begin
     extract(epoch from clock_timestamp() - start_time);
 end
 $$ language plpgsql;
--- test effects of TRUNCATE on n_live_tup/n_dead_tup counters
+-- test effects of TRUNCATE on n_live_tup/n_dead_tup/n_mod_since_analyze counters
 CREATE TABLE trunc_stats_test(id serial);
 CREATE TABLE trunc_stats_test1(id serial, stuff text);
 CREATE TABLE trunc_stats_test2(id serial);
@@ -160,16 +160,16 @@ SELECT wait_for_stats();
 (1 row)
 
 -- check effects
-SELECT relname, n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
+SELECT relname, n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup, n_mod_since_analyze
   FROM pg_stat_user_tables
  WHERE relname like 'trunc_stats_test%' order by relname;
-      relname      | n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup 
--------------------+-----------+-----------+-----------+------------+------------
- trunc_stats_test  |         3 |         0 |         0 |          0 |          0
- trunc_stats_test1 |         4 |         2 |         1 |          1 |          0
- trunc_stats_test2 |         1 |         0 |         0 |          1 |          0
- trunc_stats_test3 |         4 |         0 |         0 |          2 |          2
- trunc_stats_test4 |         2 |         0 |         0 |          0 |          2
+      relname      | n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup | n_mod_since_analyze 
+-------------------+-----------+-----------+-----------+------------+------------+---------------------
+ trunc_stats_test  |         3 |         0 |         0 |          0 |          0 |                   0
+ trunc_stats_test1 |         4 |         2 |         1 |          1 |          0 |                   1
+ trunc_stats_test2 |         1 |         0 |         0 |          1 |          0 |                   1
+ trunc_stats_test3 |         4 |         0 |         0 |          2 |          2 |                   2
+ trunc_stats_test4 |         2 |         0 |         0 |          0 |          2 |                   0
 (5 rows)
 
 SELECT st.seq_scan >= pr.seq_scan + 1,
diff --git a/src/test/regress/sql/stats.sql b/src/test/regress/sql/stats.sql
index feaaee6326..70227a0a6c 100644
--- a/src/test/regress/sql/stats.sql
+++ b/src/test/regress/sql/stats.sql
@@ -77,7 +77,7 @@ begin
 end
 $$ language plpgsql;
 
--- test effects of TRUNCATE on n_live_tup/n_dead_tup counters
+-- test effects of TRUNCATE on n_live_tup/n_dead_tup/n_mod_since_analyze counters
 CREATE TABLE trunc_stats_test(id serial);
 CREATE TABLE trunc_stats_test1(id serial, stuff text);
 CREATE TABLE trunc_stats_test2(id serial);
@@ -155,7 +155,7 @@ RESET enable_bitmapscan;
 SELECT wait_for_stats();
 
 -- check effects
-SELECT relname, n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup
+SELECT relname, n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup, n_mod_since_analyze
   FROM pg_stat_user_tables
  WHERE relname like 'trunc_stats_test%' order by relname;