diff --git a/Dockerfile b/Dockerfile
index 717b946ab7104d9f48f61101987ea29884b90a58..7fa6a2ed72e02862efcec3a7c3c1ffe1f1753056 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN pip install -r /requirements.txt
 
 FROM node:buster AS assets_build
 COPY yarn.lock package.json webpack.config.js /
-RUN  yarn install --pure-lockfile
+RUN yarn install --pure-lockfile
 COPY assets /assets
 RUN /node_modules/.bin/webpack-cli