diff --git a/utils/nfsdcltrack/nfsdcltrack.c b/utils/nfsdcltrack/nfsdcltrack.c
index b45a904..6b1049f 100644
--- a/utils/nfsdcltrack/nfsdcltrack.c
+++ b/utils/nfsdcltrack/nfsdcltrack.c
@@ -25,9 +25,11 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <ctype.h>
 #include <errno.h>
 #include <stdbool.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <ctype.h>
 #include <getopt.h>
 #include <string.h>
 #include <sys/stat.h>
@@ -525,7 +527,8 @@ 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=%" PRId64, __func__,
+		(int64_t)gracetime);
 
 	ret = sqlite_remove_unreclaimed(gracetime);
 
diff --git a/utils/nfsdcltrack/sqlite.c b/utils/nfsdcltrack/sqlite.c
index 2801201..c4e0cdf 100644
--- a/utils/nfsdcltrack/sqlite.c
+++ b/utils/nfsdcltrack/sqlite.c
@@ -42,6 +42,8 @@
 #include <errno.h>
 #include <event.h>
 #include <stdbool.h>
+#include <stdint.h>
+#include <inttypes.h>
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -544,8 +546,8 @@ sqlite_remove_unreclaimed(time_t grace_start)
 	int ret;
 	char *err = NULL;
 
-	ret = snprintf(buf, sizeof(buf), "DELETE FROM clients WHERE time < %ld",
-			grace_start);
+	ret = snprintf(buf, sizeof(buf), "DELETE FROM clients WHERE time < %" PRId64,
+			(int64_t)grace_start);
 	if (ret < 0) {
 		return ret;
 	} else if ((size_t)ret >= sizeof(buf)) {