diff --git a/Dockerfile b/Dockerfile
index 46c8cf0..940246e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ WORKDIR /build
 COPY package.json pnpm-lock.yaml ./
 COPY --link scripts scripts
 # install python etc so node-gyp works for the optional dependencies
-RUN	apk add --no-cache make gcc g++ python3
+RUN apk add --no-cache make gcc g++ python3
 # install pnpm to make dependency installation faster (because it has a lockfile)
 RUN npm install -g pnpm
 # install dependencies, CI=true to skip pre/postinstall scripts