diff --git a/kernel/src/main/java/org/kframework/kserver/KServerFrontEnd.java b/kernel/src/main/java/org/kframework/kserver/KServerFrontEnd.java
index 3b3017d8b5f..b1ea8a48939 100644
--- a/kernel/src/main/java/org/kframework/kserver/KServerFrontEnd.java
+++ b/kernel/src/main/java/org/kframework/kserver/KServerFrontEnd.java
@@ -147,10 +147,10 @@ public int run(String tool, String[] args, File workingDir, Map<String, String>
             requestScope.enter();
             Main.seedInjector(requestScope, tool, args, workingDir, env, startTime);
             TTYInfo tty = injector.getInstance(TTYInfo.class);
-            if (!tty.stdout) {
+            if (!tty.stdout()) {
                 system_out.init(new PrintStream(system_out.getPrintStream()));
             }
-            if (!tty.stderr) {
+            if (!tty.stderr()) {
                 system_err.init(new PrintStream(system_err.getPrintStream()));
             }
 
diff --git a/kernel/src/main/java/org/kframework/unparser/KPrint.java b/kernel/src/main/java/org/kframework/unparser/KPrint.java
index ee9882e9f76..a1941400bba 100644
--- a/kernel/src/main/java/org/kframework/unparser/KPrint.java
+++ b/kernel/src/main/java/org/kframework/unparser/KPrint.java
@@ -121,11 +121,11 @@ public void prettyPrint(Definition def, Module module, Consumer<byte[]> print, K
     }
 
     public void prettyPrint(Definition def, Module module, Consumer<byte[]> print, K result, Sort s) {
-        print.accept(prettyPrint(def, module, result, s, options.color(tty.stdout, files.getEnv()), options.output));
+        print.accept(prettyPrint(def, module, result, s, options.color(tty.stdout(), files.getEnv()), options.output));
     }
 
     public byte[] prettyPrint(Definition def, Module module, K result) {
-        return prettyPrint(def, module, result, Sorts.GeneratedTopCell(), options.color(tty.stdout, files.getEnv()), options.output);
+        return prettyPrint(def, module, result, Sorts.GeneratedTopCell(), options.color(tty.stdout(), files.getEnv()), options.output);
     }
 
     public byte[] prettyPrint(Definition def, Module module, K orig, Sort s, ColorSetting colorize, OutputModes outputMode) {
@@ -182,7 +182,7 @@ public static byte[] serialize(K term, OutputModes outputMode) {
     }
 
     public String unparseTerm(K input, Module test) {
-        return unparseTerm(input, test, options.color(tty.stdout, files.getEnv()));
+        return unparseTerm(input, test, options.color(tty.stdout(), files.getEnv()));
     }
 
     public String unparseTerm(K input, Module test, ColorSetting colorize) {
diff --git a/kernel/src/main/java/org/kframework/utils/file/TTYInfo.java b/kernel/src/main/java/org/kframework/utils/file/TTYInfo.java
index b88d0ccdb42..c0a9f6cc016 100644
--- a/kernel/src/main/java/org/kframework/utils/file/TTYInfo.java
+++ b/kernel/src/main/java/org/kframework/utils/file/TTYInfo.java
@@ -6,16 +6,7 @@
  * connected to terminals. Essentially, each boolean in this class is
  * true if and only if the corresponding stream is one for which
  * ultimately the isatty function returns true.
- * @author dwightguth
  *
+ * @author dwightguth
  */
-public class TTYInfo {
-
-    public final boolean stdin, stdout, stderr;
-
-    public TTYInfo(boolean stdin, boolean stdout, boolean stderr) {
-        this.stdin = stdin;
-        this.stdout = stdout;
-        this.stderr = stderr;
-    }
-}
+public record TTYInfo(boolean stdin, boolean stdout, boolean stderr) {}