diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 3ee5074..8136624 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -904,6 +904,10 @@
 # of the Cortex-X4 cpu and is still open.
 CPU_FLAG_LIST += ERRATA_X4_3701758
 
+# Flag to apply erratum 2963999 workaround during reset. This erratum applies
+# to revisions r0p0 of the Cortex-X925 cpu and is fixed in r0p1.
+CPU_FLAG_LIST += ERRATA_X925_2963999
+
 # Flag to apply erratum 3701747 workaround during context save/restore of
 # ICH_VMCR_EL2 reg. This erratum applies to revisions r0p0, r0p1 of the
 # Cortex-X925 cpu and is still open.