diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 30fb163..9115bd9 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -39,17 +39,16 @@ jobs:
 
       - name: Login to Gitea Registry
         env:
+          REGISTRY_HOST: ${{ vars.REGISTRY_HOST }}
           REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
         run: |
-          registry_host="${GITHUB_SERVER_URL#http://}"
-          registry_host="${registry_host#https://}"
-          printf '%s' "${REGISTRY_PASSWORD}" | docker login "${registry_host}" -u "${GITHUB_REPOSITORY_OWNER}" --password-stdin
+          printf '%s' "${REGISTRY_PASSWORD}" | docker login "${REGISTRY_HOST}" -u "${GITHUB_REPOSITORY_OWNER}" --password-stdin
 
       - name: Build and Push Image
+        env:
+          REGISTRY_HOST: ${{ vars.REGISTRY_HOST }}
         run: |
-          registry_host="${GITHUB_SERVER_URL#http://}"
-          registry_host="${registry_host#https://}"
-          image="${registry_host}/${GITHUB_REPOSITORY}"
+          image="${REGISTRY_HOST}/${GITHUB_REPOSITORY}"
           docker build -t "${image}:main" -t "${image}:sha-${GITHUB_SHA}" .
           docker push "${image}:main"
           docker push "${image}:sha-${GITHUB_SHA}"