diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h
index f9f0715..4d936ad 100644
--- a/include/lib/aarch64/arch_helpers.h
+++ b/include/lib/aarch64/arch_helpers.h
@@ -273,6 +273,7 @@
 
 DEFINE_SYSREG_RW_FUNCS(vpidr_el2)
 DEFINE_SYSREG_RW_FUNCS(vmpidr_el2)
+DEFINE_SYSREG_RW_FUNCS(cntp_ctl_el0)
 
 DEFINE_SYSREG_READ_FUNC(isr_el1)