diff --git a/pkgs/servers/sql/postgresql/default.nix b/pkgs/servers/sql/postgresql/default.nix
index 044eb9aef3f..c3f80fce61d 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = ftp://ftp2.nl.postgresql.org/mirror/postgresql/latest/postgresql-7.4.5.tar.bz2;
+    url = ftp://ftp2.nl.postgresql.org/mirror/postgresql/src/7.4.5/postgresql-7.4.5.tar.bz2;
     md5 = "97e750c8e69c208b75b6efedc5a36efb";
   };