diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index 95738a4e34..443dab3564 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -1744,7 +1744,7 @@ pg_stat_get_slru(PG_FUNCTION_ARGS)
 		/* for each row */
 		Datum		values[PG_STAT_GET_SLRU_COLS];
 		bool		nulls[PG_STAT_GET_SLRU_COLS];
-		PgStat_SLRUStats stat = stats[i];
+		PgStat_SLRUStats stat;
 		const char *name;
 
 		name = pgstat_slru_name(i);
@@ -1752,6 +1752,7 @@ pg_stat_get_slru(PG_FUNCTION_ARGS)
 		if (!name)
 			break;
 
+		stat = stats[i];
 		MemSet(values, 0, sizeof(values));
 		MemSet(nulls, 0, sizeof(nulls));
 
diff --git a/src/test/regress/expected/sysviews.out b/src/test/regress/expected/sysviews.out
index c3b988597c..294c2c18fa 100644
--- a/src/test/regress/expected/sysviews.out
+++ b/src/test/regress/expected/sysviews.out
@@ -67,6 +67,13 @@ select count(*) >= 0 as ok from pg_prepared_xacts;
  t
 (1 row)
 
+-- There will surely be at least one SLRU cache
+select count(*) > 0 as ok from pg_stat_slru;
+ ok 
+----
+ t
+(1 row)
+
 -- We expect no walreceiver running in this test
 select count(*) = 0 as ok from pg_stat_wal_receiver;
  ok 
diff --git a/src/test/regress/sql/sysviews.sql b/src/test/regress/sql/sysviews.sql
index 5eb111d3fd..e0ddb11485 100644
--- a/src/test/regress/sql/sysviews.sql
+++ b/src/test/regress/sql/sysviews.sql
@@ -32,6 +32,9 @@ select count(*) = 0 as ok from pg_prepared_statements;
 -- See also prepared_xacts.sql
 select count(*) >= 0 as ok from pg_prepared_xacts;
 
+-- There will surely be at least one SLRU cache
+select count(*) > 0 as ok from pg_stat_slru;
+
 -- We expect no walreceiver running in this test
 select count(*) = 0 as ok from pg_stat_wal_receiver;