diff --git a/Dockerfile b/Dockerfile
index f169e45..94c65de 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM python:3-alpine
 
 WORKDIR /usr/src/app
 
-RUN apk add --no-cache curl bash && curl https://raw.githubusercontent.com/christgau/wsdd/v0.5/src/wsdd.py -o wsdd.py && apk del curl
+RUN apk add --no-cache curl bash && curl https://raw.githubusercontent.com/christgau/wsdd/v0.7.0/src/wsdd.py -o wsdd.py && apk del curl
 
 copy docker-cmd.sh .
 
diff --git a/docker-cmd.sh b/docker-cmd.sh
index 6a8cacb..123c6e3 100755
--- a/docker-cmd.sh
+++ b/docker-cmd.sh
@@ -1,23 +1,23 @@
 #!/usr/bin/env bash
 
-args=( )
+args=
 
 if [ ! -z "${WSDD_ARGS}" ]; then
   args=${WSDD_ARGS}
 else
 	if [ ! -z "${HOSTNAME}" ]; then
-		args+=( "-n $HOSTNAME ")
+		args+="-n $HOSTNAME "
 	else
 		echo "HOSTNAME environment variable must be set."
 		exit 1
 	fi
 
 	if  [ ! -z "${WORKGROUP}" ]; then
-		args+=( "-w $WORKGROUP " )
+		args+="-w $WORKGROUP "
 	fi
 
 	if  [ ! -z "${DOMAIN}" ]; then
-		args+=( "-d $DOMAIN " )
+		args+="-d $DOMAIN "
 	fi
 fi