diff --git a/Window.java b/Window.java
index 0512d86..7d137c3 100644
--- a/Window.java
+++ b/Window.java
@@ -213,6 +213,7 @@ public class Window implements ActionListener
         if (e.getSource() == this.b_load) {
             try {
                 this.orig = Image.readFile("./inputs/" + (String)this.s_input.getSelectedItem());
+                this.image = new ArrayList<>();
                 for (RGB p : this.orig) {
                     // kopiere die originalen Daten, damit die Liste später gemischt werden kann
                     this.image.add(p);