diff --git a/pkgs/applications/networking/insync/default.nix b/pkgs/applications/networking/insync/default.nix
index 7beb489178b6..5690705d1f28 100644
--- a/pkgs/applications/networking/insync/default.nix
+++ b/pkgs/applications/networking/insync/default.nix
@@ -3,10 +3,14 @@
 stdenv.mkDerivation rec {
   name = "insync-${version}";
   version = "1.3.16.36155";
-  src = fetchurl {
-    url = "http://s.insynchq.com/builds/insync-portable_${version}_amd64.tar.bz2";
-    sha256 = "1gf1qg7mkbcgqhwxkiljmd1w2zvarq6vhxhips3w06bqdyg12210";
-  };
+  src =
+    if stdenv.system == "x86_64-linux" then
+      fetchurl {
+        url = "http://s.insynchq.com/builds/insync-portable_${version}_amd64.tar.bz2";
+        sha256 = "1gf1qg7mkbcgqhwxkiljmd1w2zvarq6vhxhips3w06bqdyg12210";
+      }
+    else
+      throw "${name} is not supported on ${stdenv.system}";
 
   buildInputs = [ makeWrapper ];