diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc
index f6b3cbdfb..f67a07689 100644
--- a/src/nix-env/main.cc
+++ b/src/nix-env/main.cc
@@ -200,7 +200,7 @@ static void createUserEnv(EvalState & state, const DrvInfos & elems,
         makeBind(toATerm("derivations"),
             makeList(ATreverse(inputs)), makeNoPos()),
         makeBind(toATerm("manifest"),
-            makeStr(manifestFile), makeNoPos())
+            makeStr(manifestFile, singleton<PathSet>(manifestFile)), makeNoPos())
         )));
 
     /* Instantiate it. */