diff --git a/esp32/include/ControllerConfiguration.h b/esp32/include/ControllerConfiguration.h
index 0085256..0bd8464 100644
--- a/esp32/include/ControllerConfiguration.h
+++ b/esp32/include/ControllerConfiguration.h
@@ -11,7 +11,7 @@
 #ifndef CONTROLLER_CONFIG_H
 #define CONTROLLER_CONFIG_H
 
-#define FIRMWARE_VERSION        "1.0.3"
+#define FIRMWARE_VERSION        "1.0.4"
 
 #define ADC_TO_VOLT(adc)                      ((adc) * 3.3 ) / 4095)
 #define ADC_TO_VOLT_WITH_MULTI(adc, multi)    (((adc) * 3.3 * (multi)) / 4095)
diff --git a/esp32/include/PlantCtrl.h b/esp32/include/PlantCtrl.h
index 55acb48..5b4cf52 100644
--- a/esp32/include/PlantCtrl.h
+++ b/esp32/include/PlantCtrl.h
@@ -70,7 +70,16 @@ public:
 
     void init(void);
 
+    /** @fn  bool isInCooldown(long sinceLastActivation)
+     *  @brief determine, if the plant was recently casted
+     *  @param sinceLastActivation timestamp of last time
+     */
     bool isInCooldown(long sinceLastActivation) {
+        /* if the time difference is greater than one month, we know these are initial values */
+        if (sinceLastActivation > (60 * 60 * 24 * 30)) {
+            return false;
+        }
+
         return (this->mSetting->pPumpCooldownInHours->get() > sinceLastActivation / 3600);
     }
 
diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index 7d4513f..a3d0ebb 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -120,10 +120,12 @@ bool prepareSleep(void *) {
   return true; // repeat? true there is something in the queue to be done
 }
 
-void espDeepSleepFor(long seconds){
+void espDeepSleepFor(long seconds, bool activatePump = false){
   delay(1500);
   gpio_deep_sleep_hold_en();
-  gpio_hold_en(GPIO_NUM_13); //pump pwr
+  if (activatePump) {
+    gpio_hold_en(GPIO_NUM_13); //pump pwr
+  }
   //gpio_hold_en(GPIO_NUM_23); //p0
   //FIXME fix for outher outputs
   
@@ -216,7 +218,7 @@ void mode2MQTT(){
   }else {
     gotoMode2AfterThisTimestamp = 0;
     Serial.println("Running pump, watering deepsleep");
-    espDeepSleepFor(wateringDeepSleep.get());
+    espDeepSleepFor(wateringDeepSleep.get(), true);
   }
   
 }