Uci parse error in postinst base-files

While running pkgupdate in HBD, I noticed this error:

INFO:Running postinst of base-files
+ uci set 'updater.turris=turris'
+ uci set 'updater.turris.mode=branch'
+ uci set 'updater.turris.branch=hbd'
+ sed -i 's|https://repo\.turris\.cz/.*/\([^/]*\)/packages/|https://repo\.turris\.cz/hbd/\1/packages/|' /etc/opkg/distfeeds.conf
+ uci commit updater.turris
+ set +x
uci: Parse error (invalid command) at line 5, byte 1