diff --git a/Dockerfile b/Dockerfile
index 141814b15..89fd20d04 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,8 @@ RUN mkdir -p /arena-core
 WORKDIR /arena-core
 COPY . .
 RUN npm ci
-RUN echo export const ARENA_VERSION_MSG=\"ARENA $version commit hash $chash\" > src/arena-version.js
+RUN echo "const ARENA_VERSION_MSG=\"ARENA $version commit hash $chash\";" > src/arena-version.js
+RUN echo "export default ARENA_VERSION_MSG;" >> src/arena-version.js
 RUN mkdir -p dist && npm run build
 RUN rm -fr node_modules