diff --git a/w14_olama/basics.js b/w14_olama/basics.js
index 1f8df3c..4f28ce5 100644
--- a/w14_olama/basics.js
+++ b/w14_olama/basics.js
@@ -1,10 +1,11 @@
 import delay from 'delay';
 
-fetch('http://localhost:11434/api/generate', {
+fetch('http://127.0.0.1:11434/api/generate', {
   method: 'POST',
   headers: { 'Content-Type': 'application/json' },
   body: JSON.stringify({
     model: 'deepseek-r1:latest', // replace with your model name
+    system: 'You are a helpful assistant.',
     prompt: 'Tell me a joke!',
     stream: false,
     think: false,
diff --git a/w14_olama/stream.js b/w14_olama/stream.js
index cf85856..a7228e4 100644
--- a/w14_olama/stream.js
+++ b/w14_olama/stream.js
@@ -1,6 +1,6 @@
 import delay from 'delay';
 
-fetch('http://localhost:11434/api/generate', {
+fetch('http://127.0.0.1:11434/api/generate', {
   method: 'POST',
   headers: { 'Content-Type': 'application/json' },
   body: JSON.stringify({