diff --git a/.github/workflows/chromatic.yml b/.github/workflows/chromatic.yml
index 4ee39305f84..d0b9cab4c45 100644
--- a/.github/workflows/chromatic.yml
+++ b/.github/workflows/chromatic.yml
@@ -102,6 +102,9 @@ jobs:
           storybookBuildDir: ./storybook-static
           exitOnceUploaded: true
           onlyChanged: true
-          externals: "[\"libs/components/**/*.scss\", \"libs/components/**/*.css\", \"libs/components/tailwind.config*.js\"]"
+          externals: |
+            libs/components/**/*.scss
+            libs/components/**/*.css
+            libs/components/tailwind.config*.js
           # Rather than use an `if` check on the whole publish step, we need to tell Chromatic to skip so that any Chromatic-spawned actions are properly skipped
           skip: ${{ steps.get-changed-files-for-chromatic.outputs.storyFiles == 'false' }}