diff --git a/docker/prod/Dockerfile b/docker/prod/Dockerfile
index d8d00a7002f..358afe5e05a 100644
--- a/docker/prod/Dockerfile
+++ b/docker/prod/Dockerfile
@@ -74,7 +74,7 @@ RUN cp Gemfile.lock.bak Gemfile.lock && rm Gemfile.lock.bak \ &&
     ./docker/prod/setup/precompile-assets.sh && \
     ./docker/prod/setup/postinstall-common.sh && \
     cp ./config/database.production.yml config/database.yml && \
-RUN ln -s $APP_PATH/docker/prod/setup/.irbrc /home/$APP_USER/
+    ln -s $APP_PATH/docker/prod/setup/.irbrc /home/$APP_USER/
 
 # -------------------------------------
 # slim (public)