diff --git a/ci/docker-rust-nightly/Dockerfile b/ci/docker-rust-nightly/Dockerfile
index 466b57ff75..aca78f43e7 100644
--- a/ci/docker-rust-nightly/Dockerfile
+++ b/ci/docker-rust-nightly/Dockerfile
@@ -4,11 +4,9 @@ ARG date
 RUN set -x \
  && rustup install nightly-$date \
  && rustup show \
- && mv /usr/local/rustup/toolchains/nightly-$date-* \
-       /usr/local/rustup/toolchains/nightly-x86_64-unknown-linux-gnu \
  && rustup show \
  && rustc --version \
  && cargo --version \
- && rustc +nightly --version \
- && cargo +nightly --version
+ && rustc +nightly-$date --version \
+ && cargo +nightly-$date --version