diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89a554c..b0d3415 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,6 +10,9 @@ jobs:
   build:
     runs-on: self-hosted
     container: aleksanderlm/nrf-zephyr-build-environment:v2.5.0.3
+    defaults:
+      run:
+        shell: bash
     steps:
       - name: test
         run: nrfutil toolchain-manager launch -- west