diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 0de2b32..0949107 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -43,7 +43,8 @@ if [ -z "${INPUT_DOCKER_REGISTRY_URI+x}" ]; then
   INPUT_DOCKER_REGISTRY_URI=https://registry.hub.docker.com
 fi
 
-SSH_HOST=${INPUT_REMOTE_DOCKER_HOST#*@}
+USER_AT_HOST="$INPUT_REMOTE_DOCKER_USER@$INPUT_REMOTE_DOCKER_HOST"
+SSH_HOST=${USER_AT_HOST#*@}
 
 echo "Registering SSH keys..."