diff --git a/src/host.h b/src/host.h
index 1a42d872a651c8e32ecee30f71378c5925801f1e..6f094df3a12fcdeed7aa59aa68a99405b0e89d9e 100644
--- a/src/host.h
+++ b/src/host.h
@@ -29,8 +29,8 @@
 #define HOST_AGE_TIMER_DEFAULT 1440
 
 
-#ifndef EASYMESH_VENDOR_EXT_OUI
-#define EASYMESH_VENDOR_EXT_OUI         (uint8_t *)"\x00\x11\x22"
+#ifndef EASYMESH_VENDOR_EXT_OUI_DEFAULT
+#define EASYMESH_VENDOR_EXT_OUI_DEFAULT		0xB456FA  /* IOPSYS OUI */
 #endif
 
 #define MIN_VENDOR_TLV_LEN 5