diff --git a/.github/workflows/autocheckers.yml b/.github/workflows/autocheckers.yml
index 1c7dcc014d052..75f9f62d80e5d 100644
--- a/.github/workflows/autocheckers.yml
+++ b/.github/workflows/autocheckers.yml
@@ -110,6 +110,9 @@ jobs:
       - name: Check that all and only expected files are included
         run: php ./build/files-checker.php
 
+      - name: Check that all shipped apps are linted by psalm
+        run: sh ./build/psalm-checker.sh
+
   summary:
     permissions:
       contents: none
diff --git a/apps/profile/templates/404-profile.php b/apps/profile/templates/404-profile.php
index 8a1084b3911dd..2d34a9e7614ce 100644
--- a/apps/profile/templates/404-profile.php
+++ b/apps/profile/templates/404-profile.php
@@ -8,7 +8,7 @@
 /** @var \OCP\Defaults $theme */
 // @codeCoverageIgnoreStart
 if (!isset($_)) { //standalone  page is not supported anymore - redirect to /
-	require_once '../../lib/base.php';
+	require_once '../../../lib/base.php';
 
 	$urlGenerator = \OCP\Server::get(\OCP\IURLGenerator::class);
 	header('Location: ' . $urlGenerator->getAbsoluteURL('/'));
diff --git a/build/psalm-checker.sh b/build/psalm-checker.sh
new file mode 100755
index 0000000000000..a56fecebe52ea
--- /dev/null
+++ b/build/psalm-checker.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+# SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+if [ -d "dist" ]; then
+	missing=''
+	for app in apps/*; do
+		if git check-ignore "$app" -q ; then
+			echo "ℹ️  Ignoring non shipped app: $app"
+			continue
+		fi
+
+		grep "directory name=\"$app\"" psalm.xml 2>&1 > /dev/null
+		if [ $? -ne 0 ]; then
+			missing="$missing  - $app\n"
+		fi
+	done
+
+	if [ "$missing"  = "" ]; then
+		echo "✅ All apps will be linted by psalm"
+	else
+		echo "❌ Following apps are not setup for linting using psalm:"
+		echo -e "$missing"
+		exit 1
+	fi
+else
+	echo "⚠️ This script needs to be executed from the root of the repository"
+	exit 1
+fi
+
diff --git a/psalm.xml b/psalm.xml
index 0fdbc287b5ab1..5952ac5046303 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -36,6 +36,7 @@
 		<directory name="apps/files_versions"/>
 		<directory name="apps/lookup_server_connector"/>
 		<directory name="apps/oauth2"/>
+		<directory name="apps/profile"/>
 		<directory name="apps/provisioning_api"/>
 		<directory name="apps/settings"/>
 		<directory name="apps/sharebymail"/>