diff --git a/pkgs/development/libraries/libsodium/default.nix b/pkgs/development/libraries/libsodium/default.nix
index 2a550e4f3d6a..f127776fa6a6 100644
--- a/pkgs/development/libraries/libsodium/default.nix
+++ b/pkgs/development/libraries/libsodium/default.nix
@@ -8,6 +8,10 @@ stdenv.mkDerivation rec {
     sha256 = "120jkda2q58p0n68banh64vsfm3hgqnacagj425d218cr4ycdkyb";
   };
 
+  outputs = [ "dev" "out" ];
+
+  enableParallelBuilding = true;
+
   doCheck = true;
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/libtoxcore/new-api/default.nix b/pkgs/development/libraries/libtoxcore/new-api/default.nix
index 42f81cf6a9d2..0433d1466809 100644
--- a/pkgs/development/libraries/libtoxcore/new-api/default.nix
+++ b/pkgs/development/libraries/libtoxcore/new-api/default.nix
@@ -27,8 +27,8 @@ stdenv.mkDerivation rec {
   '';
 
   configureFlags = [
-    "--with-libsodium-headers=${libsodium}/include"
-    "--with-libsodium-libs=${libsodium}/lib"
+    "--with-libsodium-headers=${libsodium.dev}/include"
+    "--with-libsodium-libs=${libsodium.out}/lib"
     "--enable-ntox"
     "--enable-daemon"
   ];
diff --git a/pkgs/development/libraries/libtoxcore/old-api/default.nix b/pkgs/development/libraries/libtoxcore/old-api/default.nix
index 3ff2e1ad285d..6bc69792b53a 100644
--- a/pkgs/development/libraries/libtoxcore/old-api/default.nix
+++ b/pkgs/development/libraries/libtoxcore/old-api/default.nix
@@ -31,8 +31,8 @@ stdenv.mkDerivation rec {
   '';
 
   configureFlags = [
-    "--with-libsodium-headers=${libsodium}/include"
-    "--with-libsodium-libs=${libsodium}/lib"
+    "--with-libsodium-headers=${libsodium.dev}/include"
+    "--with-libsodium-libs=${libsodium.out}/lib"
     "--enable-ntox"
     "--enable-daemon"
   ];
diff --git a/pkgs/tools/networking/netsniff-ng/default.nix b/pkgs/tools/networking/netsniff-ng/default.nix
index 9ccc91b7bc13..7176af696a94 100644
--- a/pkgs/tools/networking/netsniff-ng/default.nix
+++ b/pkgs/tools/networking/netsniff-ng/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   configurePhase = ''
     patchShebangs configure
     substituteInPlace configure --replace "which" "command -v"
-    NACL_INC_DIR=${libsodium}/include/sodium NACL_LIB=sodium ./configure
+    NACL_INC_DIR=${libsodium.dev}/include/sodium NACL_LIB=sodium ./configure
   '';
 
   enableParallelBuilding = true;