Control: tags -1 + patch
On i386, the binary is built in obj-i686-linux-gnu, not obj-i386-linux-gnu.
So you want DEB_HOST_GNU_TYPE in debian/install, not DEB_HOST_MULTIARCH.
I have tested the patch below and it doesn't break any of the other
architectures fixed by the patch in #859057.
--- a/debian/install
+++ b/debian/install
@@ -1,7 +1,7 @@
#!/usr/bin/dh-exec
# Install binary
-obj-${DEB_HOST_MULTIARCH}/Telegram => /usr/bin/telegram-desktop
+obj-${DEB_HOST_GNU_TYPE}/Telegram => /usr/bin/telegram-desktop
# Install icons
Telegram/Resources/art/icon16.png =>
/usr/share/icons/hicolor/16x16/apps/telegram.png
