diff --git a/extensions/llamacpp-extension/src/index.ts b/extensions/llamacpp-extension/src/index.ts
index c1abe96bd..56fa4a644 100644
--- a/extensions/llamacpp-extension/src/index.ts
+++ b/extensions/llamacpp-extension/src/index.ts
@@ -1048,7 +1048,7 @@ export default class llamacpp_extension extends AIEngine {
     const archiveName = await basename(path)
     logger.info(`Installing backend from path: ${path}`)
 
-    if ((await fs.existsSync(path)) && path.endsWith('tar.gz')) {
+    if (!(await fs.existsSync(path)) && !(path.endsWith('tar.gz'))) {
       logger.error(`Invalid path or file ${path}`)
       throw new Error(`Invalid path or file ${path}`)
     }