diff --git a/.github/workflows/chromatic.yaml b/.github/workflows/chromatic.yaml
index 083730a8bd4d8..0bc23ba403180 100644
--- a/.github/workflows/chromatic.yaml
+++ b/.github/workflows/chromatic.yaml
@@ -42,7 +42,7 @@ jobs:
       # storybook snapshots will require manual approval/review in order for
       # the check to pass. This is desired in PRs, but not in mainline.
       - name: Publish to Chromatic (non-mainline)
-        if: github.ref != 'refs/heads/main'
+        if: github.ref != 'refs/heads/main' && github.repository_owner == 'coder'
         uses: chromaui/action@v1
         with:
           buildScriptName: "storybook:build"
@@ -59,7 +59,7 @@ jobs:
       # commits, but it's good to be defensive in case, otherwise CI remains
       # infinitely "in progress" in mainline unless we re-review each build.
       - name: Publish to Chromatic (mainline)
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/main' && github.repository_owner == 'coder'
         uses: chromaui/action@v1
         with:
           autoAcceptChanges: true