diff --git a/extensions/llamacpp-extension/src/index.ts b/extensions/llamacpp-extension/src/index.ts
index f9fccd268..06f8d7f34 100644
--- a/extensions/llamacpp-extension/src/index.ts
+++ b/extensions/llamacpp-extension/src/index.ts
@@ -456,6 +456,7 @@ export default class llamacpp_extension extends AIEngine {
       janDataFolderPath,
       modelConfig.model_path,
     ])
+    args.push('--jinja')
     args.push('-m', modelPath)
     args.push('-a', modelId)
     args.push('--port', String(port))