diff --git a/lib/command/src/Obelisk/Command/Project.hs b/lib/command/src/Obelisk/Command/Project.hs
index e676ec2f2..e52a13297 100644
--- a/lib/command/src/Obelisk/Command/Project.hs
+++ b/lib/command/src/Obelisk/Command/Project.hs
@@ -245,7 +245,7 @@ inImpureProjectShell shellName command = withProjectRoot "." $ \root ->
 projectShell :: MonadObelisk m => FilePath -> Bool -> String -> Maybe String -> m ()
 projectShell root isPure shellName command = do
   let nixPath = $(staticWhich "nix")
-  nixpkgsPath <- fmap T.strip $ readProcessAndLogStderr Debug $ proc nixPath ["eval", "(import .obelisk/impl {}).nixpkgs.path"]
+  nixpkgsPath <- fmap T.strip $ readProcessAndLogStderr Debug $ setCwd (Just root) $ proc nixPath ["eval", "(import .obelisk/impl {}).nixpkgs.path"]
   nixRemote <- liftIO $ lookupEnv "NIX_REMOTE"
   (_, _, _, ph) <- createProcess_ "runNixShellAttr" $ setCtlc $ setCwd (Just root) $ proc "nix-shell" $
      [ "default.nix"] <>