diff --git a/flatpak-evolution-wrapper.sh.in b/flatpak-evolution-wrapper.sh.in
index 1b42f20..6a311fc 100644
--- a/flatpak-evolution-wrapper.sh.in
+++ b/flatpak-evolution-wrapper.sh.in
@@ -5,7 +5,6 @@ if [ "$1" = "--quit" -o "$1" = "--force-shutdown" ]; then
 else
    export BOGOFILTER_DIR="${XDG_DATA_HOME}/bogofilter/"
    export GIO_USE_NETWORK_MONITOR=base
-   export WEBKIT_FORCE_SANDBOX=0
    gsettings reset org.gnome.evolution-data-server network-monitor-gio-name
 
    LINES=$(gdbus call --session --dest org.freedesktop.DBus --object-path /org/freedesktop/DBus --method org.freedesktop.DBus.ListNames | grep @SOURCES_SERVICE@ | wc -l)