diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1421642658..f2cb3a5fd7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -216,6 +216,7 @@ jobs:
       - uses: codecov/codecov-action@e156083f13aff6830c92fc5faa23505779fbf649 # v1.2.1
         with:
           directory: /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/coverage
+          flags: ${{ matrix.name }}
 
   test-default-formula-linux:
     name: test default formula (Linux)