diff --git a/tools/accounting/getdelays.c b/tools/accounting/getdelays.c
index 368a622ca027..caa5fe9dd573 100644
--- a/tools/accounting/getdelays.c
+++ b/tools/accounting/getdelays.c
@@ -241,13 +241,7 @@ static const char *format_timespec(struct __kernel_timespec *ts)
 	if (localtime_r(&time_sec, &tm_info) == NULL)
 		return "N/A";
 
-	snprintf(buffer, sizeof(buffer), "%04d-%02d-%02dT%02d:%02d:%02d",
-		tm_info.tm_year + 1900,
-		tm_info.tm_mon + 1,
-		tm_info.tm_mday,
-		tm_info.tm_hour,
-		tm_info.tm_min,
-		tm_info.tm_sec);
+	strftime(buffer, sizeof(buffer), "%Y-%m-%dT%H:%M:%S", &tm_info);
 
 	return buffer;
 }