Hi, I think it's sufficient to add 'nextcloud-desktop-common' in the nextcloud-desktop-cmd dependencies
$ diff -u control.old control --- control.old 2019-05-17 04:35:50.000000000 +0200 +++ control 2019-08-10 18:58:11.490413351 +0200 @@ -122,6 +122,7 @@ Architecture: any Depends: libnextcloudsync0 (= ${binary:Version}), libqt5sql5-sqlite, + nextcloud-desktop-common, nextcloud-desktop-l10n, ${misc:Depends}, ${shlibs:Depends}
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