diff --git a/action.yml b/action.yml
index 43ab6fe..f479efa 100644
--- a/action.yml
+++ b/action.yml
@@ -9,6 +9,7 @@ inputs:
     required: false
 runs:
   using: "composite"
+  shell: sh
   steps:
     - run: "wget https://github.com/CompeyDev/setup-lune/releases/download/latest/setup-lune-${{ runner.os }}-x86_64.zip"
     - run: "unzip setup-lune-${{ runner.os }}-x86_64.zip"