diff --git a/ext.php b/ext.php
index 410b8b9..97343f8 100644
--- a/ext.php
+++ b/ext.php
@@ -24,7 +24,7 @@ class ext extends base
 	/**
 	 * {@inheritdoc}
 	 */
-	public function is_enableable(): bool|array
+	public function is_enableable(): array|bool
 	{
 		$config = $this->container->get('config');
 		return $this->version_check($config['version']) && $this->version_check(PHPBB_VERSION);
diff --git a/styles/all/template/event/overall_footer_body_after.html b/styles/all/template/event/overall_footer_body_after.html
new file mode 100644
index 0000000..88893fd
--- /dev/null
+++ b/styles/all/template/event/overall_footer_body_after.html
@@ -0,0 +1,18 @@
+{# Disable opening attached images in Progressive Web Apps #}
+{% if S_VIEWTOPIC %}
+	<script>
+		const isStandalone = window.matchMedia('(display-mode: standalone)').matches
+			|| window.navigator.standalone === true;
+
+		if (isStandalone) {
+			document.querySelectorAll('a > img.postimage').forEach(img => {
+				const link = img.closest('a');
+				if (link) {
+					link.addEventListener('click', e => {
+						e.preventDefault();
+					});
+				}
+			});
+		}
+	</script>
+{% endif %}