diff --git a/pkgs/development/libraries/nss/default.nix b/pkgs/development/libraries/nss/default.nix
index bc361b39dd65..66e98a9d961f 100644
--- a/pkgs/development/libraries/nss/default.nix
+++ b/pkgs/development/libraries/nss/default.nix
@@ -11,7 +11,7 @@ let
 
   secLoadPatch = fetchurl {
     name = "security_load.patch";
-    urls = http://patch-tracker.debian.org/patch/series/dl/nss/2:3.15.3-1/85_security_load.patch;
+    urls = http://patch-tracker.debian.org/patch/series/dl/nss/2:3.15.3.1-1/85_security_load.patch;
     sha256 = "041c6v4cxwsy14qr5m9qs0gkv3w24g632cwpz27kacxpa886r1ds";
   };