diff --git a/.gitea/workflows/docker.yml b/.gitea/workflows/docker.yml
index 0d4eda9..5b0687a 100644
--- a/.gitea/workflows/docker.yml
+++ b/.gitea/workflows/docker.yml
@@ -39,11 +39,16 @@ jobs:
           echo "GIT_COMMIT_SHORT=$(echo ${{ gitea.sha }} | cut -c1-7)" >> ./version.txt
           echo "BUILD_TIMESTAMP=$(date -u +%s)" >> ./version.txt
 
+      # Docker registry refs must be lowercase (repo name is EvoFirewall).
+      - name: Lowercase image repository
+        id: image
+        run: echo "repo=$(echo '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"
+
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: git.shts.su/${{ gitea.repository }}
+          images: git.shts.su/${{ steps.image.outputs.repo }}
           tags: |
             type=semver,pattern={{version}}
             type=raw,value=latest,enable=${{ gitea.ref_name == 'main' }}
@@ -59,8 +64,8 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |
             NODE_VERSION=22.23.0-bookworm-slim
-          cache-from: type=registry,ref=git.shts.su/${{ gitea.repository }}:buildcache
-          cache-to: type=registry,ref=git.shts.su/${{ gitea.repository }}:buildcache,mode=max
+          cache-from: type=registry,ref=git.shts.su/${{ steps.image.outputs.repo }}:buildcache
+          cache-to: type=registry,ref=git.shts.su/${{ steps.image.outputs.repo }}:buildcache,mode=max
           provenance: true
 
   create-release:
diff --git a/deploy/compose/docker-compose.example.yaml b/deploy/compose/docker-compose.example.yaml
index 12d4ee3..e2e5848 100644
--- a/deploy/compose/docker-compose.example.yaml
+++ b/deploy/compose/docker-compose.example.yaml
@@ -1,6 +1,6 @@
 services:
   evofirewall:
-    image: git.shts.su/denozord/EvoFirewall:latest
+    image: git.shts.su/denozord/evofirewall:latest
     restart: unless-stopped
     environment:
       DATABASE_URL: sqlite:/data/app.db