--- build/unix/run-mozilla.sh.orig	2018-09-19 15:19:32.350000000 +0200
+++ build/unix/run-mozilla.sh	2018-09-19 15:19:43.710000000 +0200
@@ -6,7 +6,7 @@
 cmdname=`basename "$0"`
 MOZ_DIST_BIN=`dirname "$0"`
 MOZ_DEFAULT_NAME="./${cmdname}-bin"
-MOZ_APPRUNNER_NAME="./mozilla-bin"
+MOZ_APPRUNNER_NAME="./thunderbird-bin"
 MOZ_PROGRAM=""
 
 exitcode=1