diff --git a/pkgs/development/python-modules/flask-babelex/default.nix b/pkgs/development/python-modules/flask-babelex/default.nix
new file mode 100644
index 000000000000..c94cbaf891c1
--- /dev/null
+++ b/pkgs/development/python-modules/flask-babelex/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, flask
+, Babel
+, speaklater
+, jinja2
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "flask-babelex";
+  version = "0.9.3";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "Flask-BabelEx";
+    sha256 = "cf79cdedb5ce860166120136b0e059e9d97b8df07a3bc2411f6243de04b754b4";
+  };
+
+  propagatedBuildInputs = [
+    flask
+    Babel
+    speaklater
+    jinja2
+  ];
+
+  checkInputs = [
+    pytest
+  ];
+
+  checkPhase = ''
+    pytest tests/tests.py -k "not test_init_app \
+                              and not test_custom_locale_selector \
+                              and not test_basics"
+  '';
+
+  meta = with lib; {
+    description = "Adds i18n/l10n support to Flask applications";
+    homepage = http://github.com/mrjoes/flask-babelex;
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 67ef5d8bba19..ef3e040b05e2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3205,6 +3205,8 @@ in {
 
   flask-babel = callPackage ../development/python-modules/flask-babel { };
 
+  flask-babelex = callPackage ../development/python-modules/flask-babelex { };
+
   flask-bootstrap = callPackage ../development/python-modules/flask-bootstrap { };
 
   flask-caching = callPackage ../development/python-modules/flask-caching { };