diff --git a/run.php b/run.php
index 1bdecc5..d4cc01c 100755
--- a/run.php
+++ b/run.php
@@ -26,6 +26,10 @@ $doorOpenEnergy = null;
 $doorOpenTime = null;
 $lastOutput = 0;
 
+function l(){
+    #echo implode(" ", func_get_args()) . "\n";
+}
+
 $c = new Client();
 
 if (getenv("MQTT_USER") && getenv("MQTT_PASS")) {
@@ -41,6 +45,7 @@ $c->subscribe(ENERGY_METER_TOPIC, 2);
 $c->subscribe(DOOR_TOPIC, 2);
 
 $c->onMessage(function (Message $message) {
+    l("got message", $message->topic, $message->payload);
     switch ($message->topic) {
         case ENERGY_METER_TOPIC:
             energy($message->payload);
@@ -48,6 +53,8 @@ $c->onMessage(function (Message $message) {
         case DOOR_TOPIC:
             door($message->payload);
             break;
+        default:
+            l("unknown topic", $message->topic);
     }
 });
 
@@ -61,9 +68,7 @@ while (true) {
 function door($newStatus)
 {
     global $doorStatus, $energyCounter, $doorOpenEnergy, $doorOpenTime;
-    if (is_null($energyCounter)) {
-        return;
-    }
+
     $newStatus = (bool) $newStatus;
     if ($newStatus === $doorStatus) {
         return;
@@ -77,8 +82,13 @@ function door($newStatus)
 }
 function energy($value)
 {
-    global $energyCounter;
+    global $energyCounter,$doorOpenEnergy;
     $energyCounter = (float) $value;
+
+    if(is_null($doorOpenEnergy)){
+        $doorOpenEnergy = $energyCounter;
+    }
+
     output();
 }
 
@@ -98,13 +108,16 @@ function output()
             strval($myUsage),
             2
         );
+        l("cost", $myCost);
         $c->publish(OUTPUT_TOPIC_PREFIX . "/price_float", strval($myCost), 2);
         $c->publish(
             OUTPUT_TOPIC_PREFIX . "/price_string",
             number_format($myCost, 2, ",", "."),
             2
         );
+
     } else {
+        l("nope");
         $c->publish(OUTPUT_TOPIC_PREFIX . "/used_energy_float", "", 2);
         $c->publish(OUTPUT_TOPIC_PREFIX . "/price_float", "", 2);
         $c->publish(OUTPUT_TOPIC_PREFIX . "/price_string", "", 2);