diff --git a/services/std_svc/errata_abi/errata_abi_main.c b/services/std_svc/errata_abi/errata_abi_main.c
index 3e0d139..ecd6b01 100644
--- a/services/std_svc/errata_abi/errata_abi_main.c
+++ b/services/std_svc/errata_abi/errata_abi_main.c
@@ -385,7 +385,8 @@
 			ERRATA_NON_ARM_INTERCONNECT},
 		[10] = {2742423, 0x00, 0x21, ERRATA_X2_2742423},
 		[11] = {2768515, 0x00, 0x21, ERRATA_X2_2768515},
-		[12 ... ERRATA_LIST_END] = UNDEF_ERRATA,
+		[12] = {2778471, 0x00, 0x21, ERRATA_X2_2778471},
+		[13 ... ERRATA_LIST_END] = UNDEF_ERRATA,
 	}
 },
 #endif /* CORTEX_X2_H_INC */