diff --git a/pkgs/shells/oil/default.nix b/pkgs/shells/oil/default.nix
index 656a84a5277..c88e012a0c3 100644
--- a/pkgs/shells/oil/default.nix
+++ b/pkgs/shells/oil/default.nix
@@ -43,4 +43,8 @@ stdenv.mkDerivation rec {
 
     maintainers = with lib.maintainers; [ lheckemann ];
   };
+
+  passthru = {
+      shellPath = "/bin/osh";
+  };
 }