diff --git a/pkgs/tools/networking/tinc/pre.nix b/pkgs/tools/networking/tinc/pre.nix
index 2379338e51d..5bd1858c195 100644
--- a/pkgs/tools/networking/tinc/pre.nix
+++ b/pkgs/tools/networking/tinc/pre.nix
@@ -2,24 +2,16 @@
 
 stdenv.mkDerivation rec {
   pname = "tinc";
-  version = "1.1pre17";
+  version = "1.1pre18";
 
   src = fetchgit {
-    rev = "refs/tags/release-${version}";
+    rev = "release-${version}";
     url = "git://tinc-vpn.org/tinc";
-    sha256 = "12abmx9qglchgn94a1qwgzldf2kaz77p8705ylpggzyncxv6bw2q";
+    sha256 = "0a7d1xg34p54sv66lckn8rz2bpg7bl01najm2rxiwbsm956y7afm";
   };
 
   outputs = [ "out" "man" "info" ];
 
-  patches = [
-    (fetchpatch {
-      name = "tinc-openssl-1.0.2r.patch";
-      url = "http://git.tinc-vpn.org/git/browse?p=tinc;a=patch;h=2b0aeec02d64bb4724da9ff1dbc19b7d35d7c904";
-      sha256 = "0kidzlmgl0cin4g54ygcxa0jbq9vwlk3dyq5f65nkjd8yvayfzi8";
-    })
-  ];
-
   nativeBuildInputs = [ autoreconfHook texinfo ];
   buildInputs = [ ncurses readline zlib lzo openssl ];