diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b1a9a0c8..e1db1a84 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Add hosts
         run: echo "127.0.0.1 pmg.test" | sudo tee -a /etc/hosts
       - name: Run tests
-        run:  docker compose -f docker-compose.yml -f docker-compose-test.yml run --rm web nosetests --with-coverage tests
+        run:  docker compose -f docker-compose.yml -f docker-compose-test.yml run --rm web nosetests --with-coverage --cover-package=pmg tests
       - name: Setup Dev Database
         run: docker compose run --rm web python setup_dev_database.py
       - name: Setup the database Stamp Head
diff --git a/pmg/search.py b/pmg/search.py
index 9a599952..8789cbed 100644
--- a/pmg/search.py
+++ b/pmg/search.py
@@ -477,11 +477,11 @@ def search(
                         "gauss": {
                             "date": {
                                 # Scores must decay, starting at docs from 7 days ago
-                                # such that docs 30 days ago are at 0.6.
+                                # such that docs 30 days ago are at 0.3.
                                 # See https://www.elastic.co/blog/found-function-scoring
                                 "offset": "7d",
                                 "scale": "30d",
-                                "decay": 0.6,
+                                "decay": 0.3,
                             }
                         },
                         # Only apply decay to documents that have a date field.
diff --git a/tests/unit/test_search.py b/tests/unit/test_search.py
index aac25ae6..17adbfd9 100644
--- a/tests/unit/test_search.py
+++ b/tests/unit/test_search.py
@@ -102,7 +102,7 @@ def test_serialise_post(self):
             assert_in("Blog post header", data["fulltext"])
             assert_not_in("<h1>", data["fulltext"])
             assert_equals(post.slug, data["slug"])
-            assert_equals(post.date, data["date"])
+            assert_equals(post.date.isoformat(), data["date"])
 
     def create_post(self):
         post = Post()