diff --git a/src/bin/pg_combinebackup/backup_label.h b/src/bin/pg_combinebackup/backup_label.h
index 08d6ed67a9..3af7ea274c 100644
--- a/src/bin/pg_combinebackup/backup_label.h
+++ b/src/bin/pg_combinebackup/backup_label.h
@@ -12,6 +12,7 @@
 #ifndef BACKUP_LABEL_H
 #define BACKUP_LABEL_H
 
+#include "access/xlogdefs.h"
 #include "common/checksum_helper.h"
 #include "lib/stringinfo.h"