diff --git a/src/main/java/io/github/ollama4j/models/chat/OllamaChatStreamObserver.java b/src/main/java/io/github/ollama4j/models/chat/OllamaChatStreamObserver.java
index 9f1bf7f..bfa2b7c 100644
--- a/src/main/java/io/github/ollama4j/models/chat/OllamaChatStreamObserver.java
+++ b/src/main/java/io/github/ollama4j/models/chat/OllamaChatStreamObserver.java
@@ -11,8 +11,6 @@ public class OllamaChatStreamObserver {
 
     private List<OllamaChatResponseModel> responseParts = new ArrayList<>();
 
-    private String message = "";
-
     public OllamaChatStreamObserver(OllamaStreamHandler streamHandler) {
         this.streamHandler = streamHandler;
     }
@@ -23,8 +21,7 @@ public class OllamaChatStreamObserver {
     }
 
     protected void handleCurrentResponsePart(OllamaChatResponseModel currentResponsePart) {
-        message = message + currentResponsePart.getMessage().getContent();
-        streamHandler.accept(message);
+        streamHandler.accept(currentResponsePart.getMessage().getContent());
     }