diff --git a/src/popup/sections/AdvancedPart.jsx b/src/popup/sections/AdvancedPart.jsx
index c3913b79..4623fd75 100644
--- a/src/popup/sections/AdvancedPart.jsx
+++ b/src/popup/sections/AdvancedPart.jsx
@@ -90,8 +90,8 @@ function ApiParams({ config, updateConfig }) {
               <input
                 type="radio"
                 name="keepAliveTime"
-                value={-1}
-                checked={config.keepAliveTime == -1}
+                value="-1"
+                checked={config.keepAliveTime === '-1'}
                 onChange={(e) => {
                   updateConfig({ keepAliveTime: e.target.value })
                 }}
diff --git a/src/services/apis/ollama-api.mjs b/src/services/apis/ollama-api.mjs
index 550d75e7..daa57ab1 100644
--- a/src/services/apis/ollama-api.mjs
+++ b/src/services/apis/ollama-api.mjs
@@ -49,7 +49,7 @@ export async function generateAnswersWithOllamaApi(port, question, session, apiK
       messages: prompt,
       model: modelName,
       stream: true,
-      keep_alive: config.keepAliveTime,
+      keep_alive: config.keepAliveTime === '-1' ? -1 : config.keepAliveTime,
     }),
     onMessage(message) {
       console.debug('sse message', message)