diff --git a/pkgs/development/libraries/libotr/default.nix b/pkgs/development/libraries/libotr/default.nix
index cad97ce2c23..1b56414a96c 100644
--- a/pkgs/development/libraries/libotr/default.nix
+++ b/pkgs/development/libraries/libotr/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "3f911994409898e74527730745ef35ed75c352c695a1822a677a34b2cf0293b4";
   };
 
+  NIX_LDFLAGS = "-lssp";
+
   propagatedBuildInputs = [ libgcrypt ];
 
   meta = {