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-rw-r--r--Src/Modules/datetime.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Src/Modules/datetime.c b/Src/Modules/datetime.c
index f1c5488ea..2f69ecae6 100644
--- a/Src/Modules/datetime.c
+++ b/Src/Modules/datetime.c
@@ -111,8 +111,9 @@ bin_strftime(char *nam, char **argv, Options ops, UNUSED(int func))
     if (OPT_ISSET(ops, 'r'))
 	return reverse_strftime(nam, argv, scalar, OPT_ISSET(ops, 'q'));
 
+    errno = 0;
     secs = (time_t)strtoul(argv[1], &endptr, 10);
-    if (secs == (time_t)ULONG_MAX) {
+    if (secs == (time_t)ULONG_MAX && errno != 0) {
 	zwarnnam(nam, "%s: %e", argv[1], errno);
 	return 1;
     } else if (*endptr != '\0') {