diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index f18a9af..5e890ed 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -236,6 +236,11 @@
 				lib/extensions/ras/ras_common.c
 endif
 
+# Pointer Authentication sources
+ifeq (${ENABLE_PAUTH}, 1)
+PLAT_BL_COMMON_SOURCES	+=	plat/arm/common/aarch64/arm_pauth.c
+endif
+
 # SPM uses libfdt in Arm platforms
 ifeq (${SPM_MM},0)
 ifeq (${ENABLE_SPM},1)