diff --git a/modules/nvim.nix b/modules/nvim.nix
index 391fbc4..9f3bfed 100644
--- a/modules/nvim.nix
+++ b/modules/nvim.nix
@@ -263,7 +263,9 @@ in
       keymaps = [
         { mode = "n"; key = "<leader>w"; action = "<cmd>w<cr>"; options.desc = "Save"; }
         { mode = "n"; key = "<leader>q"; action = "<cmd>q<cr>"; options.desc = "Quit window"; }
-        { mode = "n"; key = "<leader>Q"; action = "<cmd>qa<cr>"; options.desc = "Quit all (exit nvim)"; }
+        # `confirm` prompts Save/Discard/Cancel per modified buffer rather than
+        # aborting with E37, so quitting never dead-ends and never writes silently.
+        { mode = "n"; key = "<leader>Q"; action = "<cmd>confirm qa<cr>"; options.desc = "Quit all (prompt to save)"; }
         # Restore the saved session for the current directory (persistence.nvim).
         { mode = "n"; key = "<leader>S"; action.__raw = "function() require('persistence').load() end"; options.desc = "Restore session"; }
         { mode = "n"; key = "<leader>e"; action = "<cmd>Neotree toggle<cr>"; options.desc = "File tree"; }