diff --git a/devel/tests/test_reports.py b/devel/tests/test_reports.py
index fefd8582..96b85a74 100644
--- a/devel/tests/test_reports.py
+++ b/devel/tests/test_reports.py
@@ -1,6 +1,8 @@
 from django.contrib.auth.models import User
 from django.test import TransactionTestCase
 
+from packages.models import PackageRelation
+
 
 class DeveloperReport(TransactionTestCase):
     fixtures = ['main/fixtures/arches.json', 'main/fixtures/repos.json',
@@ -73,3 +75,26 @@ def test_reports_pkgbases_with_username(self):
     def test_reports_pkgbases_invalid_report(self):
         response = self.client.get('/devel/reports/nonexistent/pkgbases/')
         self.assertEqual(response.status_code, 404)
+
+    def test_report_filtered_by_maintainer(self):
+        PackageRelation.objects.create(
+            pkgbase='linux',
+            user=self.user,
+            type=PackageRelation.MAINTAINER,
+        )
+        response = self.client.get(
+            f'/devel/reports/old/{self.user.username}/', follow=True)
+        self.assertEqual(response.status_code, 200)
+        pkgbases = {pkg.pkgbase for pkg in response.context['packages']}
+        self.assertEqual(pkgbases, {'linux'})
+
+    def test_report_pkgbases_filtered_by_maintainer(self):
+        PackageRelation.objects.create(
+            pkgbase='linux',
+            user=self.user,
+            type=PackageRelation.MAINTAINER,
+        )
+        response = self.client.get(
+            f'/devel/reports/old/{self.user.username}/pkgbases/')
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content.decode().strip(), 'linux')
diff --git a/devel/views.py b/devel/views.py
index 61949b0b..97c78568 100644
--- a/devel/views.py
+++ b/devel/views.py
@@ -279,14 +279,10 @@ def change_profile(request):
                    'profile_form': profile_form})
 
 
-def get_report_packages(report, username):
-    packages = Package.objects.normal()
+def get_report_packages(report, packages, username):
     if report.slug in ('uncompressed-man', 'uncompressed-info'):
-        packages = report.packages(packages, username)
-    else:
-        packages = report.packages(packages)
-
-    return packages
+        return report.packages(packages, username)
+    return report.packages(packages)
 
 
 @login_required
@@ -295,7 +291,14 @@ def report_pkgbases(request, report_name: str, username: str | None = None) -> H
     if report is None:
         raise Http404
 
-    packages = get_report_packages(report, username)
+    packages = Package.objects.normal()
+    if username:
+        user = get_object_or_404(User, username=username, is_active=True)
+        maintained = PackageRelation.objects.filter(
+            user=user, type=PackageRelation.MAINTAINER).values('pkgbase')
+        packages = packages.filter(pkgbase__in=maintained)
+
+    packages = get_report_packages(report, packages, username)
     pkgbases = sorted({pkg.pkgbase for pkg in packages})
     return HttpResponse('\n'.join(pkgbases), content_type='text/plain')
 
@@ -318,7 +321,7 @@ def report(request, report_name, username=None):
     maints = User.objects.filter(id__in=PackageRelation.objects.filter(
         type=PackageRelation.MAINTAINER).values('user'))
 
-    packages = get_report_packages(report, username)
+    packages = get_report_packages(report, packages, username)
     arches = {pkg.arch for pkg in packages}
     repos = {pkg.repo for pkg in packages}
     context = {