Partial fix (from comment #2) tested on Xubuntu 16.04 and applied to lp:inkscape rev. 15277 and lp:inkscape/0.92.x rev. 15223.
Partial fix (from comment #2) tested on Xubuntu 16.04 and applied to lp:inkscape rev. 15277 and lp:inkscape/0.92.x rev. 15223.