diff -u -r ../lftp-4.8.0/src/Filter.cc ./src/Filter.cc
--- ../lftp-4.8.0/src/Filter.cc	2017-04-24 08:20:52.000000000 +0200
+++ ./src/Filter.cc	2017-08-20 22:06:59.423505183 +0200
@@ -209,7 +209,7 @@
       }
       else
       {
-	 execl("/bin/sh","sh","-c",name.get(),NULL);
+	 execl("@TERMUX_PREFIX@/bin/sh","sh","-c",name.get(),NULL);
 	 fprintf(stderr,_("execl(/bin/sh) failed: %s\n"),strerror(errno));
       }
       fflush(stderr);