diff --git a/contrib/Dockerfile b/contrib/Dockerfile
index 31c3277786e..929fd83e9c2 100644
--- a/contrib/Dockerfile
+++ b/contrib/Dockerfile
@@ -19,4 +19,5 @@ EXPOSE 9080
 RUN mkdir /dgraph
 WORKDIR /dgraph
 
+ENV GODEBUG=madvdontneed=1
 CMD ["dgraph"] # Shows the dgraph version and commands available.