diff --git a/src/main/java/de/hottis/mbusMaster/MbusMaster.java b/src/main/java/de/hottis/mbusMaster/MbusMaster.java
index 5a971bc..052a3af 100644
--- a/src/main/java/de/hottis/mbusMaster/MbusMaster.java
+++ b/src/main/java/de/hottis/mbusMaster/MbusMaster.java
@@ -3,6 +3,7 @@ package de.hottis.mbusMaster;
 import java.io.IOException;
 
 import java.util.Properties;
+import java.util.List;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;