diff --git a/Dockerfile b/Dockerfile
index 985450780183ead24145e8488bae73eaa05b442a..798ea3275c6515dbf3654d03237fc2b79bb0b97b 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