1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/src/rtc.c b/os/hal/src/rtc.c
index 5459b3b85..41015ad8b 100644
--- a/os/hal/src/rtc.c
+++ b/os/hal/src/rtc.c
@@ -235,7 +235,7 @@ void rtcConvertDateTimeToStructTm(const RTCDateTime *timespec,
   timp->tm_hour = tmp / 3600;
 
   if (NULL != tv_msec) {
-    *tv_msec = (uint32_t)timespec->millisecond % 1000;
+    *tv_msec = (uint32_t)timespec->millisecond % 1000U;
   }
 }