diff --git a/src/capwap/cw_log.h b/src/capwap/cw_log.h
index ac43895d..ca60aefe 100644
--- a/src/capwap/cw_log.h
+++ b/src/capwap/cw_log.h
@@ -37,6 +37,7 @@
 
 /* drive specific debugs */
 #define DBG_DRV				0x00010000
+#define DBG_DRV_ERR			0x00020000
 
 /* DTLS debugs */
 #define DBG_DTLS			0x10000000