diff --git a/pkgs/development/python-modules/pycairo/default.nix b/pkgs/development/python-modules/pycairo/default.nix
index ddaa7eb508e..07a8e05730b 100644
--- a/pkgs/development/python-modules/pycairo/default.nix
+++ b/pkgs/development/python-modules/pycairo/default.nix
@@ -2,7 +2,7 @@
 
 if (isPyPy || isPy35) then throw "pycairo not supported for interpreter ${python.executable}" else stdenv.mkDerivation rec {
   version = "1.10.0";
-  name = "pycairo-${version}";
+  name = "${python.libPrefix}-pycairo-${version}";
   src = if python.is_py3k or false
     then fetchurl {
       url = "http://cairographics.org/releases/pycairo-${version}.tar.bz2";