diff --git a/pkgs/tools/networking/imapsync/default.nix b/pkgs/tools/networking/imapsync/default.nix
index 5604145a182e..0fb519ad5af7 100644
--- a/pkgs/tools/networking/imapsync/default.nix
+++ b/pkgs/tools/networking/imapsync/default.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Mail folder synchronizer between IMAP servers";
     homepage = "https://imapsync.lamiral.info/";
-    license = licenses.wtfpl;
+    license = licenses.nlpl;
     maintainers = with maintainers; [ pSub ];
     platforms = platforms.unix;
   };