diff --git a/flake.lock b/flake.lock
index 99e8033..b6af422 100644
--- a/flake.lock
+++ b/flake.lock
@@ -426,8 +426,8 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1727387552,
-        "narHash": "sha256-+WmSfHGHsaMvCXczbTQUEUNPWkIyVc8H4/nOj4YUPx4=",
+        "lastModified": 1727387619,
+        "narHash": "sha256-1rosbJK6MAWo8IarxGIISNp+73Nk0Pt8JW+C6vtmdnA=",
         "path": "/home/pagedmov/sysflakes/glasshouse-desktop/dotfiles/packages/nixvim",
         "type": "path"
       },
diff --git a/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix b/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
index d07953f..44c2ab3 100644
--- a/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
+++ b/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
@@ -3,10 +3,10 @@
 			enable = true; 
 			hijackUnnamedBufferWhenOpening = true;
 			openOnSetup = true;
-			onAttach = ''
+			onAttach = { __raw = ''
 local api = require('nvim-tree.api')
 vim.keymap.set('n', 'b', api.node.open.preview, opts('Open Preview'))
-			'';
+			''; };
 			view = { 
 				side = "right";	
 				centralizeSelection = true;