diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd794d3..16bddc2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+-   Ignore spurious `ctrl+@` keys generated by Windows. (See [textualize/textual#872](https://github.com/Textualize/textual/issues/872)).
+
 ## [0.9.4] - 2023-12-18
 
 -   No longer show bindings in the footer when the open or save inputs are focussed.
diff --git a/src/textual_textarea/textarea.py b/src/textual_textarea/textarea.py
index c262998..bf7c8ce 100644
--- a/src/textual_textarea/textarea.py
+++ b/src/textual_textarea/textarea.py
@@ -227,6 +227,15 @@ def on_focus(self) -> None:
         self.undo_timer.reset()
 
     def on_key(self, event: events.Key) -> None:
+        # Naked shift or ctrl keys on Windows get sent as NUL chars; Textual
+        # interprets these as `ctrl+@` presses, which is inconsistent with
+        # other platforms. We ignore these presses.
+        # https://github.com/Textualize/textual/issues/872
+        if event.key == "ctrl+@":
+            event.stop()
+            event.prevent_default()
+            return
+
         self.undo_timer.reset()
         if event.key in (
             "apostrophe",