diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index 3f8105c6eb..416f86fbd6 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -2900,6 +2900,9 @@ pgstat_initialize(void)
 		MyBEEntry = &BackendStatusArray[MaxBackends + MyAuxProcType];
 	}
 
+	/* Initialize SLRU statistics to zero */
+	memset(&SLRUStats, 0, sizeof(SLRUStats));
+
 	/* Set up a process-exit hook to clean up */
 	on_shmem_exit(pgstat_beshutdown_hook, 0);
 }