diff --git a/Dockerfile b/Dockerfile
index a2a57534b08dd11da5255c342d5c47bddc7e3e35..96d7930a8209c8551f6857227f839b5539a11e83 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,6 @@ FROM pipelinecomponents/ansible-lint:latest
 ENV LANG C.UTF-8
 
 #ARG DEPENDENCIES_RUNTIME="git openssh-client rsync"
-RUN apk add --no-cache $DEPENDENCIES_RUNTIME
+RUN apk add --no-cache ${DEPENDENCIES_RUNTIME}
 
 WORKDIR /opt/ansible