diff --git a/.github/workflows/storybook.yml b/.github/workflows/storybook.yml
index c02f38ee0b..efcf0291d8 100644
--- a/.github/workflows/storybook.yml
+++ b/.github/workflows/storybook.yml
@@ -15,6 +15,8 @@ on:
 
 jobs:
   build:
+    # chromatic is not likely to be available for fork repositories, so we disable for fork repositories.
+    if: github.repository == 'misskey-dev/misskey'
     runs-on: ubuntu-latest
 
     env: