diff --git a/drone.yml b/drone.yml
index 92d79ff..8bf1b3e 100644
--- a/drone.yml
+++ b/drone.yml
@@ -20,8 +20,8 @@ steps:
       - |
         echo "=== Building amd64 image ==="
         docker login "$REGISTRY_URL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
-        docker build -t ${REGISTRY_URL}/portainer-agent-tailscale:amd64 .
-        docker push ${REGISTRY_URL}/portainer-agent-tailscale:amd64
+        docker build -t $REGISTRY_URL/portainer-agent-tailscale:amd64 .
+        docker push $REGISTRY_URL/portainer-agent-tailscale:amd64
 
   - name: build-arm64
     image: docker:26
@@ -40,8 +40,8 @@ steps:
       - |
         echo "=== Building arm64 image ==="
         docker login "$REGISTRY_URL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
-        docker build -t ${REGISTRY_URL}/portainer-agent-tailscale:arm64 .
-        docker push ${REGISTRY_URL}/portainer-agent-tailscale:arm64
+        docker build -t $REGISTRY_URL/portainer-agent-tailscale:arm64 .
+        docker push $REGISTRY_URL/portainer-agent-tailscale:arm64
 
   - name: create-manifest
     image: docker:26
@@ -60,10 +60,10 @@ steps:
       - |
         echo "=== Creating multi-arch manifest ==="
         docker login "$REGISTRY_URL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
-        docker manifest create ${REGISTRY_URL}/portainer-agent-tailscale:latest \
-          --amend ${REGISTRY_URL}/portainer-agent-tailscale:amd64 \
-          --amend ${REGISTRY_URL}/portainer-agent-tailscale:arm64
-        docker manifest push ${REGISTRY_URL}/portainer-agent-tailscale:latest
+        docker manifest create $REGISTRY_URL/portainer-agent-tailscale:latest \
+          --amend $REGISTRY_URL/portainer-agent-tailscale:amd64 \
+          --amend $REGISTRY_URL/portainer-agent-tailscale:arm64
+        docker manifest push $REGISTRY_URL/portainer-agent-tailscale:latest
 
 volumes:
   - name: docker_sock