diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index ff3c956..431daab 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -10,6 +10,10 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
 
+    defaults:
+      run:
+        working-directory: ./slides
+
     permissions:
       contents: read
       pages: write