diff --git a/pkgs/tools/networking/dhcp/default.nix b/pkgs/tools/networking/dhcp/default.nix
index 6987bc553a58..9482daf6a88d 100644
--- a/pkgs/tools/networking/dhcp/default.nix
+++ b/pkgs/tools/networking/dhcp/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     (lib.optional stdenv.isLinux "--with-randomdev=/dev/random")
   ] ++ stdenv.lib.optionals (openldap != null) [ "--with-ldap" "--with-ldapcrypto" ];
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=pointer-compare" ];
+  NIX_CFLAGS_COMPILE = [ "-Wno-error=pointer-compare" "-Wno-error=format-truncation" ];
 
   installFlags = [ "DESTDIR=\${out}" ];