diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index efb9af4..5e816a3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -48,7 +48,7 @@ jobs:
           $CC --version
           $CXX --version
       - name: Configure
-        run: cmake -S . -B $bld_dir -DCMAKE_CXX_COMPILER=$CXX -DCMAKE_C_COMPILER=$CC --install-prefix $app_dir/usr -DARB_ARCH=x86-64
+        run: cmake -S . -B $bld_dir -DCMAKE_CXX_COMPILER=$CXX -DCMAKE_C_COMPILER=$CC --install-prefix $app_dir/usr -DARB_ARCH=k8
       - name: Build
         run: cmake --build $bld_dir -j 2
       - name: Install