diff --git a/src/main/java/projekt/enigma/App.java b/src/main/java/projekt/enigma/App.java
index c27ee29ac49dfedeac1420b4de7a53e15f871771..079b436842b840f2d4b7bb6f5a853cd127dbd237 100644
--- a/src/main/java/projekt/enigma/App.java
+++ b/src/main/java/projekt/enigma/App.java
@@ -60,6 +60,8 @@ public class App extends Application {
     @Override
     public void start(Stage primaryStage) throws IOException {
         primaryStage.setTitle("Enigma");
+        primaryStage.setResizable(false);
+
         Label lblEingbae = new Label("Bitte Kenngruppe eingeben!");
         TextField tfEingabe = new TextField();
         Button btnKenngruppe = new Button("Kenngruppe setzen!");