diff -up nfs-utils-2.5.4/utils/nfsdcltrack/nfsdcltrack.c.orig nfs-utils-2.5.4/utils/nfsdcltrack/nfsdcltrack.c
--- nfs-utils-2.5.4/utils/nfsdcltrack/nfsdcltrack.c.orig	2021-06-10 14:07:47.000000000 -0400
+++ nfs-utils-2.5.4/utils/nfsdcltrack/nfsdcltrack.c	2021-08-18 13:44:11.839124879 -0400
@@ -507,7 +507,7 @@ cltrack_gracedone(const char *timestr)
 {
 	int ret;
 	char *tail;
-	time_t gracetime;
+	uint64_t gracetime;
 
 
 	ret = sqlite_prepare_dbh(storagedir);
diff -up nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.c.orig nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.c
--- nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.c.orig	2021-06-10 14:07:47.000000000 -0400
+++ nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.c	2021-08-18 13:48:16.264408309 -0400
@@ -48,6 +48,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <sqlite3.h>
+#include <stdint.h>
 #include <linux/limits.h>
 
 #include "xlog.h"
@@ -539,7 +540,7 @@ out_err:
  * remove any client records that were not reclaimed since grace_start.
  */
 int
-sqlite_remove_unreclaimed(time_t grace_start)
+sqlite_remove_unreclaimed(uint64_t grace_start)
 {
 	int ret;
 	char *err = NULL;
diff -up nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.h.orig nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.h
--- nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.h.orig	2021-06-10 14:07:47.000000000 -0400
+++ nfs-utils-2.5.4/utils/nfsdcltrack/sqlite.h	2021-08-18 13:44:11.839124879 -0400
@@ -26,7 +26,7 @@ int sqlite_insert_client(const unsigned
 int sqlite_remove_client(const unsigned char *clname, const size_t namelen);
 int sqlite_check_client(const unsigned char *clname, const size_t namelen,
 				const bool has_session);
-int sqlite_remove_unreclaimed(const time_t grace_start);
+int sqlite_remove_unreclaimed(const uint64_t grace_start);
 int sqlite_query_reclaiming(const time_t grace_start);
 
 #endif /* _SQLITE_H */
diff --git a/utils/nfsdcltrack/nfsdcltrack.c b/utils/nfsdcltrack/nfsdcltrack.c
index 2f8bea81..7c1c4bcc 100644
--- a/utils/nfsdcltrack/nfsdcltrack.c
+++ b/utils/nfsdcltrack/nfsdcltrack.c
@@ -33,6 +33,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <unistd.h>
 #include <libgen.h>
 #include <sys/inotify.h>
@@ -525,7 +526,7 @@ cltrack_gracedone(const char *timestr)
 	if (*tail)
 		return -EINVAL;
 
-	xlog(D_GENERAL, "%s: grace done. gracetime=%ld", __func__, gracetime);
+	xlog(D_GENERAL, "%s: grace done. gracetime=%"PRIu64, __func__, gracetime);
 
 	ret = sqlite_remove_unreclaimed(gracetime);
 
diff --git a/utils/nfsdcltrack/sqlite.c b/utils/nfsdcltrack/sqlite.c
index b6573544..78c22af8 100644
--- a/utils/nfsdcltrack/sqlite.c
+++ b/utils/nfsdcltrack/sqlite.c
@@ -46,6 +46,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <unistd.h>
 #include <sqlite3.h>
 #include <stdint.h>
@@ -545,7 +546,7 @@ sqlite_remove_unreclaimed(uint64_t grace_start)
 	int ret;
 	char *err = NULL;
 
-	ret = snprintf(buf, sizeof(buf), "DELETE FROM clients WHERE time < %ld",
+	ret = snprintf(buf, sizeof(buf), "DELETE FROM clients WHERE time < %"PRIu64,
 			grace_start);
 	if (ret < 0) {
 		return ret;