diff --git a/Makefile b/Makefile
index 3064aa4..511a64a 100644
--- a/Makefile
+++ b/Makefile
@@ -60,6 +60,7 @@
 endif
 
 BL_COMMON_SOURCES	:=	common/bl_common.c			\
+				common/debug.c				\
 				lib/aarch64/cache_helpers.S		\
 				lib/aarch64/misc_helpers.S		\
 				lib/aarch64/tlb_helpers.S		\