diff --git a/.github/workflows/release-draft-create.yaml b/.github/workflows/release-draft-create.yaml
index 1e32e450ba..74d6c98981 100644
--- a/.github/workflows/release-draft-create.yaml
+++ b/.github/workflows/release-draft-create.yaml
@@ -50,6 +50,7 @@ jobs:
           ALGOLIA_API_KEY: ${{ secrets.ALGOLIA_API_KEY }}
           ENABLE_MINIFY: 'true'
           USE_PROD_CONFIG: 'true'
+          IS_NIGHTLY: ${{  case(github.ref == 'refs/heads/main', 'true', 'false') }}
         run: |
           pnpm install --frozen-lockfile
           pnpm build
diff --git a/vite.config.mts b/vite.config.mts
index 9769ec300a..0732698cbb 100644
--- a/vite.config.mts
+++ b/vite.config.mts
@@ -53,11 +53,7 @@ const DISTRIBUTION: 'desktop' | 'localhost' | 'cloud' =
 
 // Nightly builds are from main branch; RC/stable builds are from core/* branches
 // Can be overridden via IS_NIGHTLY env var for testing
-const IS_NIGHTLY =
-  process.env.IS_NIGHTLY === 'true' ||
-  (process.env.IS_NIGHTLY !== 'false' &&
-    process.env.CI === 'true' &&
-    process.env.GITHUB_REF_NAME === 'main')
+const IS_NIGHTLY = process.env.IS_NIGHTLY === 'true'
 
 // Disable Vue DevTools for production cloud distribution
 const DISABLE_VUE_PLUGINS =