diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7aa91ab94..2ffb1b759 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -102,7 +102,7 @@ jobs:
       run: |
           mkdir build
           cd build
-          cmake .. -G Ninja
+          cmake .. -G Ninja -DCMAKE_TOOLCHAIN_FILE="../cmake/AvrGcc.cmake" -DCMAKE_BUILD_TYPE=Release -G Ninja
           ninja check_lang
 
   tests: