diff --git a/SimpleLinkedList/src/solution/SimpleLinkedList.java b/SimpleLinkedList/src/solution/SimpleLinkedList.java
index 892f356..7e1f069 100644
--- a/SimpleLinkedList/src/solution/SimpleLinkedList.java
+++ b/SimpleLinkedList/src/solution/SimpleLinkedList.java
@@ -62,18 +62,17 @@ public class SimpleLinkedList<E> extends AbstractSimpleList<E> {
 
 	@Override
 	public boolean contains(Object o) {
-		if(o == null) {
+		if (o == null) {
 			return false;
 		}
-		Node<E> aktuellerKnoten = ersteKnoten;
-		while(aktuellerKnoten != null) {
-			aktuellerKnoten = aktuellerKnoten.getSuccessor();
+		Node<E> currentNode = firstNode;
+		while (currentNode != null) {
+			currentNode = currentNode.getSuccessor();
 		}
-		if(o.equals(aktuellerKnoten)) {
+		if (o.equals(currentNode)) {
 			return true;
 		}
 		return false;
-		
 	}
 
 	@Override