diff --git a/firmware/scripts/time_sync.py b/firmware/scripts/time_sync.py
index 790de5e..28bf07c 100644
--- a/firmware/scripts/time_sync.py
+++ b/firmware/scripts/time_sync.py
@@ -13,10 +13,10 @@ def main():
             line = ser.readline()
 
         line = line.decode("ascii")[:-1]
-        print("[%s] >> %s" % (time.strftime('%H:%m:%S'), line))
+        print("[%s] >> %s" % (time.strftime('%H:%M:%S'), line))
         if line == "?":
             timestamp = "%d\n" % int(time.time())
-            print("[%s] << %s" % (time.strftime('%H:%m:%S'),timestamp[:-1]))
+            print("[%s] << %s" % (time.strftime('%H:%M:%S'),timestamp[:-1]))
             ser.write(timestamp.encode('ascii'))