diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 676667b..faaf120 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -246,6 +246,10 @@
 # only to revision <= r2p0 of the Neoverse N1 cpu.
 ERRATA_N1_1130799	?=0
 
+# Flag to apply erratum 1165347 workaround during reset. This erratum applies
+# only to revision <= r2p0 of the Neoverse N1 cpu.
+ERRATA_N1_1165347	?=0
+
 # Flag to apply erratum 1315703 workaround during reset. This erratum applies
 # to revisions before r3p1 of the Neoverse N1 cpu.
 ERRATA_N1_1315703	?=1
@@ -447,6 +451,10 @@
 $(eval $(call assert_boolean,ERRATA_N1_1130799))
 $(eval $(call add_define,ERRATA_N1_1130799))
 
+# Process ERRATA_N1_1165347 flag
+$(eval $(call assert_boolean,ERRATA_N1_1165347))
+$(eval $(call add_define,ERRATA_N1_1165347))
+
 # Process ERRATA_N1_1315703 flag
 $(eval $(call assert_boolean,ERRATA_N1_1315703))
 $(eval $(call add_define,ERRATA_N1_1315703))