diff --git a/nodered/Dockerfile b/nodered/Dockerfile
index d754394..6cd909c 100644
--- a/nodered/Dockerfile
+++ b/nodered/Dockerfile
@@ -4,7 +4,7 @@ USER root
 
 RUN apk update && apk upgrade && \
     apk --no-cache add perl libpcap libpcap-dev bluez iputils wget && \
-    apk --no-cache add -X http://dl-cdn.alpinelinux.org/alpine/edge/main sudo
+    apk --no-cache add -X http://dl-cdn.alpinelinux.org/alpine/edge/main sudo && \
     apk --no-cache add -X http://dl-cdn.alpinelinux.org/alpine/edge/testing arp-scan
 
 RUN cd /tmp && \