diff --git a/projects/models.py b/projects/models.py
index 86e2e3b..dcbdabb 100644
--- a/projects/models.py
+++ b/projects/models.py
@@ -247,5 +247,5 @@ def as_html(self):
             action=self.get_action_display(),
             user=self.user or self.user_string,
             project=self.project or self.project_string,
-            catalog=self.catalog or self.catalog_string,
+            catalog=self.catalog_string,
         )
diff --git a/projects/views.py b/projects/views.py
index 6eaacab..06dbb57 100644
--- a/projects/views.py
+++ b/projects/views.py
@@ -36,7 +36,7 @@ def project(request, slug):
             "project": project,
             "toml": project.toml(request=request),
             "activity": Event.objects.filter(project=project).select_related(
-                "user", "project", "catalog"
+                "user", "project"
             )[:30],
         },
     )