diff --git a/pkgs/development/python-modules/textual-textarea/default.nix b/pkgs/development/python-modules/textual-textarea/default.nix
index ff311a5b988c..c01efb0342a7 100644
--- a/pkgs/development/python-modules/textual-textarea/default.nix
+++ b/pkgs/development/python-modules/textual-textarea/default.nix
@@ -46,6 +46,13 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  disabledTests = [
+    # AssertionError: assert None == 'word'
+    # https://github.com/tconbeer/textual-textarea/issues/312
+    "test_autocomplete"
+    "test_autocomplete_with_types"
+  ];
+
   pythonImportsCheck = [ "textual_textarea" ];
 
   meta = {