diff --git a/pkgs/servers/fcgiwrap/default.nix b/pkgs/servers/fcgiwrap/default.nix
index 84c24e684786..a1ec3a7deb08 100644
--- a/pkgs/servers/fcgiwrap/default.nix
+++ b/pkgs/servers/fcgiwrap/default.nix
@@ -9,6 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "07y6s4mm86cv7p1ljz94sxnqa89y9amn3vzwsnbq5hrl4vdy0zac";
   };
 
+  NIX_CFLAGS_COMPILE = "-Wno-error=implicit-fallthrough";
   configureFlags = [ "--with-systemd" "--with-systemdsystemunitdir=$(out)/etc/systemd/system" ];
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];