diff --git a/src/main/java/io/github/amithkoujalgi/ollama4j/core/models/chat/OllamaChatRequestBuilder.java b/src/main/java/io/github/amithkoujalgi/ollama4j/core/models/chat/OllamaChatRequestBuilder.java
index bcd710c..69ded1b 100644
--- a/src/main/java/io/github/amithkoujalgi/ollama4j/core/models/chat/OllamaChatRequestBuilder.java
+++ b/src/main/java/io/github/amithkoujalgi/ollama4j/core/models/chat/OllamaChatRequestBuilder.java
@@ -32,7 +32,7 @@ public class OllamaChatRequestBuilder {
     }
 
     public OllamaChatRequestBuilder withMessages(List<OllamaChatMessage> messages){
-        this.request.setMessages(messages);
+        this.request.getMessages().addAll(messages);
         return this;
     }