diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 6096b7681..517b64afd 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -98,7 +98,7 @@ jobs:
         if: matrix.version == 'stable' && (github.ref == 'refs/heads/main' || github.event_name == 'push')
         run: |
           cargo install cargo-tarpaulin
-          cargo tarpaulin --all-features --out Xml
+          cargo tarpaulin --all-features --out xml
 
       - name: Upload to codecov
         if: matrix.version == 'stable' && (github.ref == 'refs/heads/main' || github.event_name == 'push')