diff --git a/src/target/cortex_a8.h b/src/target/cortex_a8.h
index 892ab5f4e7dba49507b463f432daff65eeb620cf..369569642bc46e9e4f445d866fc8ef8ce3d95b35 100644
--- a/src/target/cortex_a8.h
+++ b/src/target/cortex_a8.h
@@ -80,6 +80,7 @@ extern char* cortex_a8_state_strings[];
 #define DSCR_MON_DBG_MODE 		15
 #define DSCR_INSTR_COMP 		24
 #define DSCR_DTR_TX_FULL 		29
+#define DSCR_DTR_RX_FULL 		30
 
 typedef struct  cortex_a8_brp_s
 {