--- /usr/share/applications/mypaint.desktop	2017-04-29 12:22:09.018252821 +0200
+++ /usr/share/applications/mypaint.desktop	2017-04-29 12:16:58.431120053 +0200
@@ -1,10 +1,10 @@
 [Desktop Entry]
 Version=1.0
 Name=MyPaint
 TryExec=mypaint
-Exec=mypaint %f
+Exec=env GDK_BACKEND=x11 mypaint %f
 Comment=Painting program for digital artists
 Comment[ro]=Software de artă plastică digitală
 Comment[fr]=Logiciel de peinture numérique pour artistes
 Comment[nn_NO]=Måleprogram for digitale artistar
 Comment[nb_NO]=Maleprogram for digitale artister