diff --git a/qubes-rpc/services/qvc.ScreenShare b/qubes-rpc/services/qvc.ScreenShare
index 6878f05..b67aa42 100755
--- a/qubes-rpc/services/qvc.ScreenShare
+++ b/qubes-rpc/services/qvc.ScreenShare
@@ -1,7 +1,9 @@
 #!/bin/sh --
-
 # Copyright (C) 2021 Elliot Killick <elliotkillick@zohomail.eu>
 # Copyright (C) 2021 Demi Marie Obenour <demi@invisiblethingslab.com>
 # Licensed under the MIT License. See LICENSE file for details.
-export DISPLAY=:0
+set -eu
+true "${XDG_RUNTIME_DIR:="/run/user/$(id -u)"}"
+true "${DBUS_SESSION_BUS_ADDRESS:="unix:path=${XDG_RUNTIME_DIR}/bus"}"
+export DISPLAY=:0 XDG_RUNTIME_DIR DBUS_SESSION_BUS_ADDRESS
 exec python3 -- /usr/share/qubes-video-companion/sender/screenshare.py
diff --git a/qubes-rpc/services/qvc.Webcam b/qubes-rpc/services/qvc.Webcam
index 7878428..8f66f6f 100755
--- a/qubes-rpc/services/qvc.Webcam
+++ b/qubes-rpc/services/qvc.Webcam
@@ -1,7 +1,9 @@
 #!/bin/sh --
-
 # Copyright (C) 2021 Elliot Killick <elliotkillick@zohomail.eu>
 # Copyright (C) 2021 Demi Marie Obenour <demi@invisiblethingslab.com>
 # Licensed under the MIT License. See LICENSE file for details.
-export DISPLAY=:0
-exec python3 -- /usr/share/qubes-video-companion/sender/webcam.py ${1:+"$1"}
+set -eu
+true "${XDG_RUNTIME_DIR:="/run/user/$(id -u)"}"
+true "${DBUS_SESSION_BUS_ADDRESS:="unix:path=${XDG_RUNTIME_DIR}/bus"}"
+export DISPLAY=:0 XDG_RUNTIME_DIR DBUS_SESSION_BUS_ADDRESS
+exec python3 -- /usr/share/qubes-video-companion/sender/webcam.py "${1:+"$1"}"