diff --git a/app/lib/zap/controller.js b/app/lib/zap/controller.js
index 794f867a..2387f280 100644
--- a/app/lib/zap/controller.js
+++ b/app/lib/zap/controller.js
@@ -284,6 +284,7 @@ class ZapController {
       this.sendMessage('lightningGrpcActive')
     } catch (err) {
       mainLog.warn('Unable to connect to Lighitnng gRPC interface: %o', err)
+      throw err
     }
   }