diff -uNr nim-1.6.0/lib/pure/osproc.nim nim-1.6.0.mod/lib/pure/osproc.nim
--- nim-1.6.0/lib/pure/osproc.nim	2021-10-19 01:39:28.000000000 +0100
+++ nim-1.6.0.mod/lib/pure/osproc.nim	2021-11-28 07:17:57.000000000 +0100
@@ -982,7 +982,7 @@
     if poEvalCommand in options:
       const useShPath {.strdefine.} =
         when not defined(android): "/bin/sh"
-        else: "/system/bin/sh"
+        else: "@TERMUX_PREFIX@/bin/sh"
       data.sysCommand = useShPath
       sysArgsRaw = @[useShPath, "-c", command]
       assert args.len == 0, "`args` has to be empty when using poEvalCommand."