1 files changed, 9 insertions, 5 deletions

diff --git a/client/e2e/wdio.local.conf.ts b/client/e2e/wdio.local.conf.ts
index 27c6e867b..903235b86 100644
--- a/client/e2e/wdio.local.conf.ts
+++ b/client/e2e/wdio.local.conf.ts
@@ -1,11 +1,15 @@
 import { afterLocalSuite, beforeLocalSession, beforeLocalSuite } from './src/utils'
 import { config as mainConfig } from './wdio.main.conf'
 
-const prefs = {
-  'intl.accept_languages': 'en'
-}
+const prefs = { 'intl.accept_languages': 'en' }
 process.env.LANG = 'en'
 
+// https://github.com/mozilla/geckodriver/issues/1354#issuecomment-479456411
+process.env.MOZ_HEADLESS_WIDTH = '1280'
+process.env.MOZ_HEADLESS_HEIGHT = '1024'
+
+const windowSizeArg = `--window-size=${process.env.MOZ_HEADLESS_WIDTH},${process.env.MOZ_HEADLESS_HEIGHT}`
+
 module.exports = {
   config: {
     ...mainConfig,
@@ -18,7 +22,7 @@ module.exports = {
       {
         browserName: 'chrome',
         'goog:chromeOptions': {
-          args: [ '--headless', '--disable-gpu', '--window-size=1280,1024' ],
+          args: [ '--headless', '--disable-gpu', windowSizeArg ],
           prefs
         }
       },
@@ -26,7 +30,7 @@ module.exports = {
         browserName: 'firefox',
         'moz:firefoxOptions': {
           binary: '/usr/bin/firefox-developer-edition',
-          args: [ '--headless', '--window-size=1280,1024' ],
+          args: [ '--headless', windowSizeArg ],
 
           prefs
         }