diff --git a/Makefile b/Makefile
index e90836c7..85748bc4 100644
--- a/Makefile
+++ b/Makefile
@@ -362,6 +362,7 @@ GENFLAGS	+=	$(firmware-genflags-y)
 
 CFLAGS		=	-g -Wall -Werror -ffreestanding -nostdlib -fno-stack-protector -fno-strict-aliasing -ffunction-sections -fdata-sections
 CFLAGS		+=	-fno-omit-frame-pointer -fno-optimize-sibling-calls
+CFLAGS		+=	-fno-asynchronous-unwind-tables -fno-unwind-tables
 # Optionally supported flags
 ifeq ($(CC_SUPPORT_VECTOR),y)
 CFLAGS		+=	-DOPENSBI_CC_SUPPORT_VECTOR