diff --git a/.coveragerc b/.coveragerc
index 6965bba..25a5426 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -7,5 +7,16 @@ exclude_lines =
 
 [run]
 source =
-    haystack/backends/xapian_backend.py
+    haystack.backends.xapian_backend
     test_haystack/xapian_tests
+
+[paths]
+# Merge coverage data from running tests in a django-haystack
+# checkout with our own paths for coverage reporting.
+backend =
+    ./
+    */django-haystack/haystack/backends/
+
+tests =
+    tests/xapian_tests/
+    */django-haystack/test_haystack/xapian_tests/
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1a9e53c..9ac7a04 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -98,7 +98,8 @@ jobs:
 
       - name: Coveralls
         run: |
-          cd django-haystack
+          coverage combine django-haystack/.coverage
+          coverage report
           coveralls --service=github
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}