diff --git a/pkgs/tools/networking/dnsmasq/default.nix b/pkgs/tools/networking/dnsmasq/default.nix
index f224ab1ac935..22609eff9aec 100644
--- a/pkgs/tools/networking/dnsmasq/default.nix
+++ b/pkgs/tools/networking/dnsmasq/default.nix
@@ -27,6 +27,9 @@ stdenv.mkDerivation rec {
       sha256 = "1hnixij3jp1p6zc3bx2dr92yyf9jp1ahhl9hiiq7bkbhbrw6mbic";
     })
   ];
+  postPatch = ''
+    sed '1i#include <linux/sockios.h>' -i src/dhcp.c
+  '';
 
   preBuild = ''
     makeFlagsArray=("COPTS=${copts}")