diff --git a/pkgs/development/tools/click/default.nix b/pkgs/development/tools/click/default.nix
index 4adaf11088b8..f8d73eec2580 100644
--- a/pkgs/development/tools/click/default.nix
+++ b/pkgs/development/tools/click/default.nix
@@ -28,6 +28,12 @@ buildPythonApplication {
     sha256 = "sha256-pNu995/w3tbz15QQVdVYBnWnAoZmqWj1DN/5PZZ0iZw=";
   };
 
+  postPatch = ''
+    # These should be proper Requires, using the header needs their headers
+    substituteInPlace lib/click/click-*.pc.in \
+      --replace 'Requires.private' 'Requires'
+  '';
+
   configureFlags = [
     "--with-systemdsystemunitdir=${placeholder "out"}/lib/systemd/system"
     "--with-systemduserunitdir=${placeholder "out"}/lib/systemd/user"