diff --git a/src/freedombone-image-customise b/src/freedombone-image-customise
index 706bc831..61fce6ae 100755
--- a/src/freedombone-image-customise
+++ b/src/freedombone-image-customise
@@ -1050,13 +1050,17 @@ function configure_user_interface {
 
 	# desktop
 	chroot "$rootdir" apt-get -y install mate-desktop-environment
-	
+
 	# browser
 	chroot "$rootdir" apt-get -y install iceweasel
-	
-	# Tox user interface
-	enable_tox_repo
-	chroot "$rootdir" apt-get -y install qtox
+
+	# NOTE: The Tox repo only supports a limited range of architectures
+	if [[ $ARCHITECTURE == 'amd64' || $ARCHITECTURE == 'i386' ]]; then
+		# Tox user interface
+		enable_tox_repo
+		# TODO: this may not work on all architectures
+		chroot "$rootdir" apt-get -y install qtox
+	fi
 
 	# Syncthing
 	install_syncthing
@@ -1079,7 +1083,7 @@ function configure_user_interface {
 		chroot "$rootdir" apt-get -y install hexchat profanity
 
 		# zeronet
-		
+
 		# TODO
 	fi
 }