diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index d41d745c..69295d82 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -10,6 +10,7 @@ env:
   GOLANG_VERSION: 1.17.7
   KUBERNETES_VERSION: "1.18.0"
   KIND_VERSION: "0.7.0"
+  REGISTRY: ghcr.io
 
 jobs:
   build: