diff --git a/pkgs/development/python-modules/lmdb/default.nix b/pkgs/development/python-modules/lmdb/default.nix
new file mode 100644
index 000000000000..d46b51e27d3f
--- /dev/null
+++ b/pkgs/development/python-modules/lmdb/default.nix
@@ -0,0 +1,26 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "lmdb";
+  version = "0.92";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "01nw6r08jkipx6v92kw49z34wmwikrpvc5j9xawdiyg1n2526wrx";
+  };
+
+  # Some sort of mysterious failure with lmdb.tool
+  doCheck = !isPy3k;
+
+  meta = with stdenv.lib; {
+    description = "Universal Python binding for the LMDB 'Lightning' Database";
+    homepage = "https://github.com/dw/py-lmdb";
+    license = licenses.openldap;
+    maintainers = with maintainers; [ copumpkin ];
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a781a3558fb3..95fdad4faec2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1958,29 +1958,9 @@ in {
 
   PyLTI = callPackage ../development/python-modules/pylti { };
 
-  lmdb = buildPythonPackage rec {
-    pname = "lmdb";
-    version = "0.92";
-    name = "${pname}-${version}";
-
-    src = self.fetchPypi {
-      inherit pname version;
-      sha256 = "01nw6r08jkipx6v92kw49z34wmwikrpvc5j9xawdiyg1n2526wrx";
-    };
-
-    # Some sort of mysterious failure with lmdb.tool
-    doCheck = !isPy3k;
-
-    meta = {
-      description = "Universal Python binding for the LMDB 'Lightning' Database";
-      homepage = "https://github.com/dw/py-lmdb";
-      license = licenses.openldap;
-      maintainers = with maintainers; [ copumpkin ];
-    };
-  };
-
   logilab_astng = buildPythonPackage rec {
     name = "logilab-astng-0.24.3";
+  lmdb = callPackage ../development/python-modules/lmdb { };
 
     src = pkgs.fetchurl {
       url = "http://download.logilab.org/pub/astng/${name}.tar.gz";