diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index eaae2b0..289ab92 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -19,7 +19,8 @@ permissions:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_PREFIX: ghcr.io/${{ github.repository_owner }}/shipyard-neo
+  # github.repository is always lowercase (e.g. "astrbotdevs/shipyard-neo")
+  IMAGE_PREFIX: ghcr.io/${{ github.repository }}
 
 concurrency:
   group: cd-${{ github.ref }}