diff --git a/src/electron.ts b/src/electron.ts
index cf74c952..eb82d02a 100644
--- a/src/electron.ts
+++ b/src/electron.ts
@@ -51,7 +51,7 @@ async function createWindow() {
 
   mainWindow.once('ready-to-show', () => {
     if (mainWindow) {
-      runningUiTestOnCi && mainWindow.setFullScreen(true)
+      runningUiTestOnCi() && mainWindow.setFullScreen(true)
       mainWindow.show()
     }
   })