diff --git a/.github/workflows/check-controller.yaml b/.github/workflows/check-controller.yaml
index 6c487b6..ba28fea 100644
--- a/.github/workflows/check-controller.yaml
+++ b/.github/workflows/check-controller.yaml
@@ -19,6 +19,8 @@ jobs:
         uses: actions/checkout@v4
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: thumbv7em-none-eabihf
       - name: Check
         run: cargo check
         working-directory: deuterium-controller