diff --git a/Dockerfile b/Dockerfile
index f19c5f1..8ee8a9a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -55,7 +55,7 @@ RUN useradd rails --create-home --shell /bin/bash && \
     chown -R rails:rails db log storage tmp
 USER rails:rails
 
-ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.2
+ENV LD_PRELOAD=libjemalloc.so.2
 
 # Entrypoint prepares the database.
 ENTRYPOINT ["/rails/bin/docker-entrypoint"]