diff --git a/release/amd64/dokern.sh b/release/amd64/dokern.sh
index beeef6281df..a3c83af07a1 100755
--- a/release/amd64/dokern.sh
+++ b/release/amd64/dokern.sh
@@ -54,6 +54,7 @@ echo "options  NETGRAPH"
 echo "options  NETGRAPH_ETHER"
 echo "options  NETGRAPH_PPPOE"
 echo "options  NETGRAPH_SOCKET"
+echo "options  NO_COMPAT_FREEBSD4"
 
 # reset maxusers to something lower
 echo "maxusers	5"
diff --git a/release/i386/dokern.sh b/release/i386/dokern.sh
index beeef6281df..a3c83af07a1 100755
--- a/release/i386/dokern.sh
+++ b/release/i386/dokern.sh
@@ -54,6 +54,7 @@ echo "options  NETGRAPH"
 echo "options  NETGRAPH_ETHER"
 echo "options  NETGRAPH_PPPOE"
 echo "options  NETGRAPH_SOCKET"
+echo "options  NO_COMPAT_FREEBSD4"
 
 # reset maxusers to something lower
 echo "maxusers	5"