diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c4f5635..22b2f8e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,5 +23,6 @@ jobs:
           west update -o=--depth=1 -n
 
       - name: Build
+        working-directory: /tmp/
         run: |
-          west build $GITHUB_WORKSPACE/samples/uptime -b native_sim
+          west build $GITHUB_WORKSPACE/samples/uptime -b native_sim --build-dir $GITHUB_WORKSPACE