diff --git a/sonoff/xnrg_02_cse7766.ino b/sonoff/xnrg_02_cse7766.ino
index 078ff3d6e..55d87a163 100644
--- a/sonoff/xnrg_02_cse7766.ino
+++ b/sonoff/xnrg_02_cse7766.ino
@@ -189,6 +189,7 @@ void CseEverySecond(void)
       }
       else {
         AddLog_P(LOG_LEVEL_DEBUG, PSTR("CSE: Load overflow"));
+        cf_pulses_last_time = CSE_PULSES_NOT_INITIALIZED;
       }
       EnergyUpdateToday();
     }