1 files changed, 11 insertions, 6 deletions
diff --git a/lib/attrsets.nix b/lib/attrsets.nix
index 539eeb7b172..1f381c5e721 100644
--- a/lib/attrsets.nix
+++ b/lib/attrsets.nix
@@ -296,12 +296,17 @@ rec {
 
   /* Converts a store path to a fake derivation. */
   toDerivation = path:
-    let path' = builtins.storePath path; in
-    { type = "derivation";
-      name = builtins.unsafeDiscardStringContext (builtins.substring 33 (-1) (baseNameOf path'));
-      outPath = path';
-      outputs = [ "out" ];
-    };
+    let
+      path' = builtins.storePath path;
+      res =
+        { type = "derivation";
+          name = builtins.unsafeDiscardStringContext (builtins.substring 33 (-1) (baseNameOf path'));
+          outPath = path';
+          outputs = [ "out" ];
+          out = res;
+          outputName = "out";
+        };
+    in res;
 
 
   /* If `cond' is true, return the attribute set `as',