diff --git a/pkgs/applications/networking/sync/casync/default.nix b/pkgs/applications/networking/sync/casync/default.nix
index 38c9e07367f..82dd3a506de 100644
--- a/pkgs/applications/networking/sync/casync/default.nix
+++ b/pkgs/applications/networking/sync/casync/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
     description = "Content-Addressable Data Synchronizer";
     homepage    = https://github.com/systemd/casync;
     license     = licenses.lgpl21;
-    platforms   = platforms.all;
+    platforms   = platforms.linux;
     maintainers = with maintainers; [ flokli ];
   };
 }