+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)
+ {