diff --git a/.drone/build.sh b/.drone/build.sh
index c945482..b9d1620 100644
--- a/.drone/build.sh
+++ b/.drone/build.sh
@@ -1 +1,2 @@
-docker build ghost -t ${REGISTRY_DOMAIN}:${REGISTRY_PORT}/ghost
+--build-arg REGISTRY=${REGISTRY_DOMAIN}:${REGISTRY_PORT}/ \
+  && docker build ghost -t ${REGISTRY_DOMAIN}:${REGISTRY_PORT}/ghost