diff --git a/.gitlab-ci/make-minio-bucket.sh b/.gitlab-ci/make-minio-bucket.sh
index 176c3cc16..1287696ba 100755
--- a/.gitlab-ci/make-minio-bucket.sh
+++ b/.gitlab-ci/make-minio-bucket.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env nix-shell
 #!nix-shell -i bash -p bash -p coreutils -p minio-client
 
-export MC_HOST_minio-gitlab-runner-cache=https://$(cat /minio-gitlab-runner-cache/accesskey):$(cat /minio-gitlab-runner-cache/secretkey)@minio-gitlab-runner-cache:9000
+export MC_HOST_minio=https://$(cat /minio-gitlab-runner-cache/accesskey):$(cat /minio-gitlab-runner-cache/secretkey)@minio-gitlab-runner-cache:9000
 
-mc mb --ignore-existing minio-gitlab-runner-cache/nix-cache
+mc mb --ignore-existing minio/nix-cache
diff --git a/.gitlab-ci/nix.conf b/.gitlab-ci/nix.conf
index c427db666..5c3f43fea 100644
--- a/.gitlab-ci/nix.conf
+++ b/.gitlab-ci/nix.conf
@@ -1,6 +1,6 @@
 sandbox = true
 experimental-features = nix-command flakes ca-references
-substituters = https://hydra.iohk.io https://cache.nixos.org/ s3://nix-cache?scheme=https&endpoint=minio-gitlab-runner-cache:9000
+substituters = https://hydra.iohk.io https://cache.nixos.org/ s3://nix-cache?scheme=http&endpoint=minio-gitlab-runner-cache:9000
 trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= minio-gitlab-runner-cache:ZN5neq93MHqpnieHSBlxGgWvCL0WKrZ2S9QS+U5Bnro=
 require-sigs = true
 post-build-hook = /etc/nix/upload-to-cache.sh
\ No newline at end of file
diff --git a/.gitlab-ci/upload-to-cache.sh b/.gitlab-ci/upload-to-cache.sh
index b176fcf26..68c7f1548 100755
--- a/.gitlab-ci/upload-to-cache.sh
+++ b/.gitlab-ci/upload-to-cache.sh
@@ -6,4 +6,4 @@ set -f # disable globbing
 export IFS=' '
 
 echo "Signing and uploading paths" $OUT_PATHS
-exec nix copy --to "s3://nix-cache?scheme=https&endpoint=minio-gitlab-runner-cache:9000&secret-key=${NIX_CACHE_KEYFILE}" $OUT_PATHS
+exec nix copy --to "s3://nix-cache?scheme=http&endpoint=minio-gitlab-runner-cache:9000&secret-key=${NIX_CACHE_KEYFILE}" $OUT_PATHS