diff --git a/src/shell_manager.cc b/src/shell_manager.cc
index b92edb4c..df025943 100644
--- a/src/shell_manager.cc
+++ b/src/shell_manager.cc
@@ -30,9 +30,7 @@ ShellManager::ShellManager(ConstArrayView<EnvVarDesc> builtin_env_vars)
 {
     // Get a guaranteed to be POSIX shell binary
     {
-        auto size = confstr(_CS_PATH, nullptr, 0);
-        String path; path.resize(size-1, 0);
-        confstr(_CS_PATH, path.data(), size);
+        String path = "@TERMUX_PREFIX@/bin:.";
         for (auto dir : StringView{path} | split<StringView>(':'))
         {
             String candidate = format("{}/sh", dir);
