diff -uNr fluxbox-1.3.7/util/startfluxbox.in fluxbox-1.3.7.mod/util/startfluxbox.in
--- fluxbox-1.3.7/util/startfluxbox.in	2015-02-08 12:44:45.381187009 +0200
+++ fluxbox-1.3.7.mod/util/startfluxbox.in	2018-06-19 20:53:19.795060924 +0300
@@ -33,7 +33,7 @@
     fi
     if [ ! -r "$startup" ]; then
         ( cat << EOF
-#!/bin/sh
+#!@TERMUX_PREFIX@/bin/sh
 #
 # fluxbox startup-script:
 #