diff --git a/pkgs/development/libraries/libressl/default.nix b/pkgs/development/libraries/libressl/default.nix
index ae03ef7ecb9..8f028bcb546 100644
--- a/pkgs/development/libraries/libressl/default.nix
+++ b/pkgs/development/libraries/libressl/default.nix
@@ -11,6 +11,8 @@ let
       inherit sha256;
     };
 
+    configureFlags = [ "--enable-nc" ];
+
     enableParallelBuilding = true;
 
     outputs = [ "bin" "dev" "out" "man" ];