diff --git a/src/backend/statistics/mcv.c b/src/backend/statistics/mcv.c
index 2daefb26868..05ab6c9bb7a 100644
--- a/src/backend/statistics/mcv.c
+++ b/src/backend/statistics/mcv.c
@@ -905,7 +905,7 @@ statext_mcv_deserialize(bytea *data)
 			 VARSIZE_ANY(data), expected_size);
 
 	/* Now copy the array of type Oids. */
-	memcpy(ptr, mcvlist->types, sizeof(Oid) * ndims);
+	memcpy(mcvlist->types, ptr, sizeof(Oid) * ndims);
 	ptr += (sizeof(Oid) * ndims);
 
 	/* ensure alignment of the pointer (after the header fields) */
diff --git a/src/test/regress/expected/stats_ext.out b/src/test/regress/expected/stats_ext.out
index b32663459d6..add968abec2 100644
--- a/src/test/regress/expected/stats_ext.out
+++ b/src/test/regress/expected/stats_ext.out
@@ -717,6 +717,17 @@ SELECT * FROM check_estimated_rows('SELECT * FROM mcv_lists WHERE a IS NULL AND
         50 |     50
 (1 row)
 
+-- test pg_mcv_list_items with a very simple (single item) MCV list
+TRUNCATE mcv_lists;
+INSERT INTO mcv_lists (a, b, c) SELECT 1, 2, 3 FROM generate_series(1,1000) s(i);
+ANALYZE mcv_lists;
+SELECT m.* FROM pg_statistic_ext,
+              pg_mcv_list_items(stxmcv) m WHERE stxname = 'mcv_lists_stats';
+ index |  values   |  nulls  | frequency | base_frequency 
+-------+-----------+---------+-----------+----------------
+     0 | {1, 2, 3} | {f,f,f} |         1 |              1
+(1 row)
+
 RESET random_page_cost;
 -- mcv with arrays
 CREATE TABLE mcv_lists_arrays (
diff --git a/src/test/regress/sql/stats_ext.sql b/src/test/regress/sql/stats_ext.sql
index 2a6a23c06d4..d4b2732493a 100644
--- a/src/test/regress/sql/stats_ext.sql
+++ b/src/test/regress/sql/stats_ext.sql
@@ -411,6 +411,14 @@ SELECT * FROM check_estimated_rows('SELECT * FROM mcv_lists WHERE a IS NULL AND
 
 SELECT * FROM check_estimated_rows('SELECT * FROM mcv_lists WHERE a IS NULL AND b IS NULL AND c IS NULL');
 
+-- test pg_mcv_list_items with a very simple (single item) MCV list
+TRUNCATE mcv_lists;
+INSERT INTO mcv_lists (a, b, c) SELECT 1, 2, 3 FROM generate_series(1,1000) s(i);
+ANALYZE mcv_lists;
+
+SELECT m.* FROM pg_statistic_ext,
+              pg_mcv_list_items(stxmcv) m WHERE stxname = 'mcv_lists_stats';
+
 RESET random_page_cost;
 
 -- mcv with arrays