1 files changed, 4 insertions, 1 deletions
diff --git a/src/libexpr/flake/call-flake.nix b/src/libexpr/flake/call-flake.nix
index b9088e550..dc9ed357c 100644
--- a/src/libexpr/flake/call-flake.nix
+++ b/src/libexpr/flake/call-flake.nix
@@ -8,7 +8,10 @@ let
     builtins.mapAttrs
       (key: node:
         let
-          sourceInfo = if key == lockFile.root then rootSrc else fetchTree (removeAttrs node.locked ["dir"]);
+          sourceInfo =
+            if key == lockFile.root
+            then rootSrc
+            else fetchTree ({ inherit (node.info) narHash; } // removeAttrs node.locked ["dir"]);
           subdir = if key == lockFile.root then rootSubdir else node.locked.dir or "";
           flake = import (sourceInfo + (if subdir != "" then "/" else "") + subdir + "/flake.nix");
           inputs = builtins.mapAttrs (inputName: key: allNodes.${key}) (node.inputs or {});