diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5583eab170a..269db2d555d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -17819,13 +17819,17 @@ in modules // {
 
   psutil = buildPythonPackage rec {
     name = "psutil-${version}";
-    version = "4.3.0";
+    version = "3.4.2";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/p/psutil/${name}.tar.gz";
-      sha256 = "1w4r09fvn6kd80m5mx4ws1wz100brkaq6hzzpwrns8cgjzjpl6c6";
+      sha256 = "b17fa01aa766daa388362d0eda5c215d77e03a8d37676b68971f37bf3913b725";
     };
 
+    # Certain tests fail due to being in a chroot.
+    # See also the older issue: https://code.google.com/p/psutil/issues/detail?id=434
+    doCheck = false;
+
     buildInputs = with self; [ mock ] ++ optionals stdenv.isDarwin [ pkgs.darwin.IOKit ];
 
     meta = {