diff --git a/rel/overlays/bin/bootstrap b/rel/overlays/bin/bootstrap
index 941a13f1d..53be9c75b 100755
--- a/rel/overlays/bin/bootstrap
+++ b/rel/overlays/bin/bootstrap
@@ -1,6 +1,8 @@
 #!/bin/sh
 
 : "${WIREGUARD_INTERFACE_NAME:=wg-firezone}"
+# Note: we keep legacy default values for those variables to avoid breaking existing deployments,
+# but they will go away in the 0.8.0 release.
 : "${WIREGUARD_IPV4_ADDRESS:=10.3.2.1}"
 : "${WIREGUARD_IPV4_ENABLED:=true}"
 : "${WIREGUARD_IPV4_NETWORK:=10.3.2.0/24}"
@@ -15,8 +17,6 @@ setup_interface()
     ip link add ${WIREGUARD_INTERFACE_NAME} type wireguard
   fi
 
-  ip link add ${WIREGUARD_INTERFACE_NAME} type wireguard
-
   if [ "$WIREGUARD_IPV4_ENABLED" = "true" ]; then
     ip address replace ${WIREGUARD_IPV4_ADDRESS} dev ${WIREGUARD_INTERFACE_NAME}
   fi