diff --git a/src/main/java/inf112/fiasko/roborally/ui/screens/IPAddressScreen.java b/src/main/java/inf112/fiasko/roborally/ui/screens/IPAddressScreen.java
index 1c098f7..0cb3ff3 100644
--- a/src/main/java/inf112/fiasko/roborally/ui/screens/IPAddressScreen.java
+++ b/src/main/java/inf112/fiasko/roborally/ui/screens/IPAddressScreen.java
@@ -24,7 +24,7 @@ import java.util.Set;
 public class IPAddressScreen extends AbstractScreen {
     private final RoboRallyWrapper roboRallyWrapper;
 
-    private TextField textInput;
+    private final TextField textInput;
 
     /**
      * Instantiates a new ip address screen
diff --git a/src/main/java/inf112/fiasko/roborally/ui/screens/UsernameScreen.java b/src/main/java/inf112/fiasko/roborally/ui/screens/UsernameScreen.java
index ca3717b..950211d 100644
--- a/src/main/java/inf112/fiasko/roborally/ui/screens/UsernameScreen.java
+++ b/src/main/java/inf112/fiasko/roborally/ui/screens/UsernameScreen.java
@@ -20,7 +20,7 @@ import java.util.concurrent.TimeUnit;
 public class UsernameScreen extends AbstractScreen {
     private final RoboRallyWrapper roboRallyWrapper;
 
-    private TextField textInput;
+    private final TextField textInput;
 
     /**
      * Instantiates a new username screen