diff --git a/runsc/config/flags.go b/runsc/config/flags.go
index 1a61fbd0b..6b512f666 100644
--- a/runsc/config/flags.go
+++ b/runsc/config/flags.go
@@ -120,7 +120,7 @@ func RegisterFlags(flagSet *flag.FlagSet) {
 	flagSet.Int("num-network-channels", 1, "number of underlying channels(FDs) to use for network link endpoints.")
 	flagSet.Bool("buffer-pooling", true, "enable allocation of buffers from a shared pool instead of the heap.")
 	flagSet.Bool("EXPERIMENTAL-afxdp", false, "EXPERIMENTAL. Use an AF_XDP socket to receive packets.")
-	flagSet.Bool("reproduce-nat", true, "Scrape the host netns NAT table and reproduce it in the sandbox.")
+	flagSet.Bool("reproduce-nat", false, "Scrape the host netns NAT table and reproduce it in the sandbox.")
 
 	// Flags that control sandbox runtime behavior: accelerator related.
 	flagSet.Bool("nvproxy", false, "EXPERIMENTAL: enable support for Nvidia GPUs")