diff --git a/traderex/Dockerfile b/traderex/Dockerfile
index 71aaf84..752d538 100644
--- a/traderex/Dockerfile
+++ b/traderex/Dockerfile
@@ -91,7 +91,7 @@ ENV MIX_ENV="prod"
 # Only copy the final release from the build stage
 COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/traderex ./
 
-RUN mkdir -o /storage
+RUN mkdir -p /storage
 
 USER nobody