diff --git a/flake.lock b/flake.lock
index b9b0f84..e3c7e86 100644
--- a/flake.lock
+++ b/flake.lock
@@ -426,8 +426,8 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1727386921,
-        "narHash": "sha256-qdTY7KWB0+7QZQKT85OcZRj56aG/3o8ILLnYBvEVihA=",
+        "lastModified": 1727387422,
+        "narHash": "sha256-+08lgffyOjvFklHzfzhLogcosm63yAQ+LKHHrwsz0FY=",
         "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 7f1b0d2..b18b845 100644
--- a/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
+++ b/glasshouse-desktop/dotfiles/packages/nixvim/config/plugins/nvim-tree.nix
@@ -1,6 +1,11 @@
 {
 	plugins.nvim-tree = { 
 			enable = true; 
+			hijackUnnamedBufferWhenOpening = true;
+			openOnSetup = true;
+			onAttach = ''
+				vim.keymap.set('n', 'b', api.node.open.preview, opts('Open Preview'))
+			'';
 			view = { 
 				side = "right";	
 				centralizeSelection = true;