diff --git a/pkgs/applications/misc/synergy/default.nix b/pkgs/applications/misc/synergy/default.nix
index 5f12bdb4dfc..25855c2a613 100644
--- a/pkgs/applications/misc/synergy/default.nix
+++ b/pkgs/applications/misc/synergy/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, fetchpatch, fetchurl, cmake, xlibsWrapper
-, ApplicationServices, Carbon, Cocoa, CoreServices, ScreenSaver
+, ApplicationServices, Carbon, Cocoa, CoreServices, ScreenSaver, cf-private
 , libX11, libXi, libXtst, libXrandr, xinput, curl, openssl, unzip }:
 
 stdenv.mkDerivation rec {
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     cmake curl openssl
   ] ++ lib.optionals stdenv.isDarwin [
-    ApplicationServices Carbon Cocoa CoreServices ScreenSaver
+    ApplicationServices Carbon Cocoa CoreServices ScreenSaver cf-private
   ] ++ lib.optionals stdenv.isLinux [ xlibsWrapper libX11 libXi libXtst libXrandr xinput ];
 
   installPhase = ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0f2ed083a28..7a4baaf3c4a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19495,6 +19495,7 @@ in
   syncthing-tray = callPackage ../applications/misc/syncthing-tray { };
 
   synergy = callPackage ../applications/misc/synergy {
+    inherit (darwin) cf-private;
     inherit (darwin.apple_sdk.frameworks) ApplicationServices Carbon Cocoa CoreServices ScreenSaver;
   };