diff --git a/tasks/fixes.yml b/tasks/fixes.yml
new file mode 100644
index 0000000..8a905f1
--- /dev/null
+++ b/tasks/fixes.yml
@@ -0,0 +1,16 @@
+---
+- name: "fixes: Prüfe NC-Version"
+  shell:
+    cmd: occ -V | cut -d ' ' -f2
+    chdir: "{{ nextcloud_install_path }}"
+  become: true
+  become_user: "{{ common_name }}"
+  register: nc_installed_version
+
+- name: "fixes: https://github.com/nextcloud/files_pdfviewer/issues/381"
+  get_url:
+    url: https://raw.githubusercontent.com/nextcloud/files_pdfviewer/6d81ffbb65c3758bece144e0aff07b4a0ad20eef/js/files_pdfviewer-main.js
+    dest: "{{ nextcloud_install_path }}/apps/files_pdfviewer/js/files_pdfviewer-main.js"
+    owner: "{{ common_name }}"
+    group: "{{ common_name }}"
+  when: nc_installed_version >= "21.0.2"
diff --git a/tasks/main.yml b/tasks/main.yml
index be573b6..e78dbf8 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -8,3 +8,5 @@
 - import_tasks: redis.yml
 - import_tasks: nextcloud.yml
   tags: nextcloud
+- import_task: fixes.yml
+  tags: fixes