diff -u -r ../tar-1.29/src/system.c ./src/system.c
--- ../tar-1.29/src/system.c	2016-04-14 04:23:45.000000000 -0400
+++ ./src/system.c	2016-08-20 17:14:29.885111362 -0400
@@ -29,12 +29,12 @@
 {
   char *argv[4];
 
-  argv[0] = (char *) "/bin/sh";
+  argv[0] = (char *) "@TERMUX_PREFIX@/bin/sh";
   argv[1] = (char *) "-c";
   argv[2] = (char *) cmd;
   argv[3] = NULL;
 
-  execv ("/bin/sh", argv);
+  execv ("@TERMUX_PREFIX@/bin/sh", argv);
   exec_fatal (cmd);
 }
 
@@ -203,7 +203,7 @@
   pid_t child;
   const char *shell = getenv ("SHELL");
   if (! shell)
-    shell = "/bin/sh";
+    shell = "@TERMUX_PREFIX@/bin/sh";
   child = xfork ();
   if (child == 0)
     {
