diff --git a/Dockerfile b/Dockerfile
index 87d7bdb..259b4f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:3.11
 MAINTAINER Dr Internet <internet@limelightgaming.net>
 
 # Install RSync and Open SSH.
-RUN apk update && add --no-cache rsync openssh-client #ca-certificates
+RUN apk update && apk add --no-cache rsync openssh-client #ca-certificates
 # RUN update-ca-certificates
 RUN rm -rf /var/cache/apk/*