diff --git a/.gitea/workflows/test-alpine.yaml b/.gitea/workflows/test-alpine.yaml
index f1370f0..9f61840 100644
--- a/.gitea/workflows/test-alpine.yaml
+++ b/.gitea/workflows/test-alpine.yaml
@@ -1,6 +1,10 @@
 name: Test alpine
 on: workflow_dispatch
 
+defaults:
+  run:
+    shell: sh
+
 jobs:
   test:
     runs-on: alpine-latest