diff --git a/include/env_flags.h b/include/env_flags.h
index 9e87e1b7dbf3e13310ed0dee8c3395628669d782..0dcec0689b19a1701360d44a7977d9075db389a9 100644
--- a/include/env_flags.h
+++ b/include/env_flags.h
@@ -57,8 +57,8 @@ enum env_flags_varaccess {
 	"gatewayip:i," \
 	"netmask:i," \
 	"serverip:i," \
-	"nvlan:i," \
-	"vlan:i," \
+	"nvlan:d," \
+	"vlan:d," \
 	"dnsip:i,"
 #else
 #define ETHADDR_FLAGS