diff --git a/pkgs/servers/misc/client-ip-echo/client-ip-echo.nix b/pkgs/servers/misc/client-ip-echo/client-ip-echo.nix
index 08c08d7d3c16..92bbc309ed3d 100644
--- a/pkgs/servers/misc/client-ip-echo/client-ip-echo.nix
+++ b/pkgs/servers/misc/client-ip-echo/client-ip-echo.nix
@@ -13,4 +13,5 @@ mkDerivation {
   executableHaskellDepends = [ base bytestring network ];
   description = "accepts TCP connections and echoes the client's IP address back to it";
   license = stdenv.lib.licenses.lgpl3;
+  broken = true; # 2018-04-10
 }