diff --git a/liebchen.yml b/liebchen.yml
index 98466df..8254427 100644
--- a/liebchen.yml
+++ b/liebchen.yml
@@ -24,6 +24,10 @@
         - texlive-pictures
         - texstudio
         - texstudio-l10n
+  - name: ensures /etc/firefox/policies dir exists
+    file:
+      path: "/etc/firefox/policies"
+      state: directory
   - name: Add Firefox bookmarks
     copy:
       src: firefox-policies.json
@@ -150,6 +154,10 @@
         Comment[zh_CN] = 科学计算环境
         StartupNotify=true
         StartupWMClass=com-mathworks-util-PostVMInit
+  - name: ensures "/etc/dconf/db/ipkm.d" dir exists
+    file:
+      path:  "/etc/dconf/db/ipkm.d"
+      state: directory
   - name: Copy default dock configuration (1)
     copy:
       src: dconf/db/ipkm.d/00-ipkm-settings