diff --git a/sonoff/xsns_01_counter.ino b/sonoff/xsns_01_counter.ino
index d62885cc5..6fe0cf333 100644
--- a/sonoff/xsns_01_counter.ino
+++ b/sonoff/xsns_01_counter.ino
@@ -103,7 +103,7 @@ void CounterShow(bool json)
         dtostrfd((double)RtcSettings.pulse_counter[i] / 1000000, 6, counter);
       } else {
         dsxflg++;
-        dtostrfd(RtcSettings.pulse_counter[i], 0, counter);
+        snprintf_P(counter, sizeof(counter), PSTR("%lu"), RtcSettings.pulse_counter[i]);
       }
 
       if (json) {