diff --git a/src/main.cpp b/src/main.cpp
index e143042..48c8635 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,8 +14,7 @@ static const uint8_t DruckSensorPin = 12;
 static const uint8_t SchuetzPin = 13;
 
 /** time config */
-//static const int abschaltzeit = 1800; //sek
-static const int abschaltzeit = 900; //sek
+static const int abschaltzeit = 1800; //sek
 static const int maxpumpdauer = 600; //sek
 
 Ticker tick;