diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index a4bf63c..6da5a1f 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -43,9 +43,8 @@ jobs:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
     - uses: actions/checkout@v2
 
-    - uses: cachix/install-nix-action@v14.1
-      with:
-        nix_path: nixpkgs=channel:nixos-unstable
-
-    - run: nix-shell
-    - run: cargo build
+    - run: |
+        docker run -v $GITHUB_WORKSPACE:/mnt -w /mnt ghcr.io/toltec-dev/rust:latest bash -c '
+          source /opt/x-tools/switch-arm.sh
+          cargo build --release --target=armv7-unknown-linux-gnueabihf
+        '
diff --git a/README.md b/README.md
index 0b094ef..f3cdc05 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,11 @@ There are three ways of building the required restream binary for streaming the
   You can use the [toltec toolchain docker images](https://github.com/toltec-dev/toolchain) to build a restream binary compatible with the reMarkable.
 
     ```
-    docker run --rm -v $(pwd):/project -v /project/.cargo -w "/project" ghcr.io/toltec-dev/rust:latest cargo build --release --target=armv7-unknown-linux-gnueabihf
+    docker run --rm -v "$(pwd)":/project -v /project/.cargo -w /project \
+      ghcr.io/toltec-dev/rust:latest bash -c '
+        source /opt/x-tools/switch-arm.sh
+        cargo build --release --target=armv7-unknown-linux-gnueabihf
+      '
     ```
 
 - **Using the reMarkable toolchain:**