diff --git a/pkgs/development/python-modules/flask-wtf/default.nix b/pkgs/development/python-modules/flask-wtf/default.nix
index 014f250128c3..4c2e485c4bf1 100644
--- a/pkgs/development/python-modules/flask-wtf/default.nix
+++ b/pkgs/development/python-modules/flask-wtf/default.nix
@@ -1,5 +1,6 @@
 { lib
 , fetchPypi
+, fetchpatch
 , buildPythonPackage
 , flask
 , itsdangerous
@@ -18,6 +19,20 @@ buildPythonPackage rec {
     sha256 = "34fe5c6fee0f69b50e30f81a3b7ea16aa1492a771fe9ad0974d164610c09a6c9";
   };
 
+ patches = [
+    # Fix failing `test_set_default_message_language` test
+    #
+    # Caused by Flask 2.2 that throws an error when setup methods are
+    # mistakenly called before the first request.
+    #
+    # Will be fixed upstream with: https://github.com/wtforms/flask-wtf/pull/533
+    #
+    (fetchpatch {
+      url = "https://github.com/wtforms/flask-wtf/commit/36a53fadf7bc42c79a1428657531961ec30ca003.patch";
+      hash = "sha256-bgLwDG9Wpufm6fd/6PS83Jvvuk1Ha6XdyaWngluPs30=";
+    })
+  ];
+
   propagatedBuildInputs = [
     flask
     itsdangerous
@@ -35,7 +50,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Simple integration of Flask and WTForms.";
     license = licenses.bsd3;
-    maintainers = [ maintainers.mic92 ];
+    maintainers = with maintainers; [ mic92 anthonyroussel ];
     homepage = "https://github.com/lepture/flask-wtf/";
   };
 }