diff --git a/openwrt/package/openwrt/include/wlioctl.h b/openwrt/package/openwrt/include/wlioctl.h
index cd668776d4..6768955e9e 100644
--- a/openwrt/package/openwrt/include/wlioctl.h
+++ b/openwrt/package/openwrt/include/wlioctl.h
@@ -28,6 +28,8 @@
 #define	PACKED
 #endif
 
+#define WLC_ESSID_MAX_SIZE	32
+
 #define WL_NUMRATES		255	/* max # of rates in a rateset */
 
 typedef struct wl_rateset {