diff --git a/apps/remix-ide-e2e/nightwatch.ts b/apps/remix-ide-e2e/nightwatch.ts
index 1e936d3f80..3f59c1549e 100644
--- a/apps/remix-ide-e2e/nightwatch.ts
+++ b/apps/remix-ide-e2e/nightwatch.ts
@@ -84,8 +84,8 @@ module.exports = {
         'moz:firefoxOptions': {
           args: [
             '-headless',
-            '--width=2560',
-            '--height=1440'
+            '-width=2560',
+            '-height=1440'
           ]
         }
       }