diff --git a/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/FrontEndController.java b/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/FrontEndController.java
index 69bda9f..e859fc0 100644
--- a/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/FrontEndController.java
+++ b/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/FrontEndController.java
@@ -178,12 +178,12 @@ public class FrontEndController {
                     .map(entry -> new Token(entry.getKey(), String.valueOf(entry.getValue()), "")) // Lemma remains empty
                     .collect(Collectors.toList());
 
-            System.out.println("DEBUG: Sending POS List to NLP - " + posList);
+            Logger.debug("Sending POS List to NLP - " + posList);
 
             speech.getNlp().setPosList((List) posList);
 
         } else {
-            System.out.println("DEBUG: POS List is EMPTY");
+            Logger.debug("POS List is EMPTY");
             speech.getNlp().setPosList((List) new ArrayList<Token>()); // Ensure it's never null
         }
 
diff --git a/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/SpeechController.java b/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/SpeechController.java
index 9a6e689..94a326f 100644
--- a/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/SpeechController.java
+++ b/src/main/java/org/texttechnologylab/project/gruppe_05_1/rest/SpeechController.java
@@ -98,12 +98,12 @@ public class SpeechController {
                     .map(entry -> new Token(entry.getKey(), String.valueOf(entry.getValue()), "")) // Lemma remains empty
                     .collect(Collectors.toList());
 
-            System.out.println("DEBUG: Sending POS List to NLP - " + posList);
+            Logger.debug("Sending POS List to NLP - " + posList);
 
             speech.getNlp().setPosList((List) posList);
 
         } else {
-            System.out.println("DEBUG: POS List is EMPTY");
+            Logger.debug("POS List is EMPTY");
             speech.getNlp().setPosList((List) new ArrayList<Token>()); // Ensure it's never null
         }