diff --git a/src/backend/utils/activity/pgstat_backend.c b/src/backend/utils/activity/pgstat_backend.c
index da4c7edd772..a8cb54a7732 100644
--- a/src/backend/utils/activity/pgstat_backend.c
+++ b/src/backend/utils/activity/pgstat_backend.c
@@ -36,7 +36,7 @@
  * reported within critical sections so we use static memory in order to avoid
  * memory allocation.
  */
-static PgStat_BackendPending PendingBackendStats = {0};
+static PgStat_BackendPending PendingBackendStats;
 
 /*
  * WAL usage counters saved from pgWalUsage at the previous call to