diff --git a/contrib/pg_check_clog/pg_check_clog.cpp b/contrib/pg_check_clog/pg_check_clog.cpp
index 26ab71087..a320dc998 100644
--- a/contrib/pg_check_clog/pg_check_clog.cpp
+++ b/contrib/pg_check_clog/pg_check_clog.cpp
@@ -103,7 +103,7 @@ static void parse_clog_file(const int segnum)
             for (bit_index = 0; bit_index < 4; bit_index++) {
                 bshift = TransactionIdToBIndex(xid) * CLOG_BITS_PER_XACT;
                 status = (*byteptr >> bshift) & CLOG_XACT_BITMASK;
-                fprintf(stdout, "xid %u, status: %s\n", xid, xid_status_name[status]);
+                fprintf(stdout, "xid %lu, status: %s\n", xid, xid_status_name[status]);
                 xid++;
             }
 
@@ -159,7 +159,7 @@ static void parse_single_xid(const TransactionId xid)
 
     byteptr = buffer + byteno;
     status = (*byteptr >> bshift) & CLOG_XACT_BITMASK;
-    fprintf(stdout, "xid %u, status: %s\n", xid, xid_status_name[status]);
+    fprintf(stdout, "xid %lu, status: %s\n", xid, xid_status_name[status]);
 
     if (close(fd)) {
         fprintf(stderr, "file close error !\n");
diff --git a/contrib/pg_check_replslot/pg_check_replslot.cpp b/contrib/pg_check_replslot/pg_check_replslot.cpp
index 472d06c91..15c16bee0 100644
--- a/contrib/pg_check_replslot/pg_check_replslot.cpp
+++ b/contrib/pg_check_replslot/pg_check_replslot.cpp
@@ -199,7 +199,7 @@ static void show_slot(char* buffer, size_t size)
     char lsn[64] = {0};
 
     if (size != sizeof(ReplicationSlotOnDisk)) {
-        fprintf(stderr, _("unexpected slot file size %d, expected %d\n"), (int)size, sizeof(ReplicationSlotOnDisk));
+        fprintf(stderr, _("unexpected slot file size %d, expected %lu\n"), (int)size, sizeof(ReplicationSlotOnDisk));
         exit(1);
     }
 
@@ -237,7 +237,7 @@ static void show_slot(char* buffer, size_t size)
     snprintf(lsn, 63, "%X/%X", (uint32)(slot.slotdata.restart_lsn >> 32), (uint32)slot.slotdata.restart_lsn);
 
     fprintf(stderr,
-        _("%-24s| %-12s| %-8u| %-8u| %-12s| %-12s\n"),
+        _("%-24s| %-12s| %-8u| %-8lu| %-12s| %-12s\n"),
         NameStr(slot.slotdata.name),
         (slot.slotdata.database == InvalidOid) ? "physical" : "logical",
         slot.slotdata.database,