diff --git a/pkgs/development/python-modules/lasagne/default.nix b/pkgs/development/python-modules/lasagne/default.nix
new file mode 100644
index 00000000000..febd38acc63
--- /dev/null
+++ b/pkgs/development/python-modules/lasagne/default.nix
@@ -0,0 +1,31 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, numpy
+, Theano
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "Lasagne";
+  version = "0.1";
+  disabled = isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0cqj86rdm6c7y5vq3i13qy76fg5xi3yjp4r0hpqy8hvynv54wqrw";
+  };
+
+  propagatedBuildInputs = [ numpy Theano ];
+
+  # there are no tests
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Lightweight library to build and train neural networks in Theano";
+    homepage = "https://github.com/Lasagne/Lasagne";
+    maintainers = with maintainers; [ NikolaMandic ];
+    license = licenses.mit;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3683006e18d..f4315c98a4c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4557,31 +4557,7 @@ in {
 
   keras-preprocessing = callPackage ../development/python-modules/keras-preprocessing { };
 
-  Lasagne = buildPythonPackage rec {
-    name = "Lasagne-${version}";
-    version = "0.1";
-    disabled = isPy3k;
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/l/lasagne/${name}.tar.gz";
-      sha256 = "0cqj86rdm6c7y5vq3i13qy76fg5xi3yjp4r0hpqy8hvynv54wqrw";
-    };
-
-    propagatedBuildInputs = with self; [
-      numpy
-      Theano
-    ];
-
-    # there are no tests
-    doCheck = false;
-
-    meta = {
-      description = "Lightweight library to build and train neural networks in Theano";
-      homepage = "https://github.com/Lasagne/Lasagne";
-      maintainers = with maintainers; [ NikolaMandic ];
-      license = licenses.mit;
-    };
-  };
+  Lasagne = callPackage ../development/python-modules/lasagne { };
 
   send2trash = callPackage ../development/python-modules/send2trash { };