diff --git a/pkgs/tools/networking/packetdrill/default.nix b/pkgs/tools/networking/packetdrill/default.nix
index 2041d935c942..623645efc0ca 100644
--- a/pkgs/tools/networking/packetdrill/default.nix
+++ b/pkgs/tools/networking/packetdrill/default.nix
@@ -11,7 +11,11 @@ stdenv.mkDerivation {
   setSourceRoot = ''
     export sourceRoot=$(realpath */gtests/net/packetdrill)
   '';
-  NIX_CFLAGS_COMPILE = "-Wno-error=unused-result";
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=unused-result"
+    "-Wno-error=stringop-truncation"
+    "-Wno-error=address-of-packed-member"
+  ];
   nativeBuildInputs = [ bison flex ];
   patches = [ ./nix.patch ];
   enableParallelBuilding = true;