diff --git a/kube/com.kolabnow.kube.json b/kube/com.kolabnow.kube.json
index 964b249..5706b41 100644
--- a/kube/com.kolabnow.kube.json
+++ b/kube/com.kolabnow.kube.json
@@ -1,39 +1,40 @@
 {
     "id": "com.kolabnow.kube",
     "branch": "master",
     "runtime": "org.freedesktop.Platform",
     "runtime-version": "1.6",
     "sdk": "org.freedesktop.Sdk",
     "command": "kube",
     "rename-icon": "kube_icon",
     "rename-desktop-file": "org.kde.kube.desktop",
     "tags": ["kolabnow"],
     "desktop-file-name-prefix": "Kolab Now ",
     "finish-args": [
         "--share=ipc",
         "--socket=x11",
         "--socket=wayland",
         "--device=dri",
         "--filesystem=host",
+        "--filesystem=/tmp",
         "--share=network",
         "--env=SASL_PATH=/usr/lib/sasl2/"
     ],
     "separate-locales": false,
     "cleanup": ["/include", "*.a", "*.la", "*.prl"],
     "modules": [
         "kubedeps.json",
         {
             "config-opts": ["-DENABLE_TESTING=OFF", "-DCMAKE_INSTALL_LIBDIR=lib",
                             "-DCMAKE_C_COMPILER=/usr/bin/clang", "-DCMAKE_CXX_COMPILER=/usr/bin/clang++"],
             "name": "sink",
             "buildsystem": "cmake-ninja",
             "sources": [ { "type": "git", "url": "git://anongit.kde.org/sink.git", "branch": "develop" } ]
         },
         {
             "config-opts": ["-DENABLE_TESTING=OFF", "-DCMAKE_INSTALL_LIBDIR=lib"],
             "name": "kube",
             "buildsystem": "cmake-ninja",
             "sources": [ { "type": "git", "url": "git://anongit.kde.org/kube.git", "branch": "kolabnow" } ]
         }
     ]
 }