diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index f799577..7b73447 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -65,5 +65,5 @@ jobs:
       - name: Generate INFO
         run: |
           cd guide
-	  rm -rf info
+          rm -rf info
           make info