diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile
index 1208a105a871b..886bba6c58cdc 100644
--- a/tools/power/acpi/tools/acpidump/Makefile
+++ b/tools/power/acpi/tools/acpidump/Makefile
@@ -28,6 +28,7 @@ TOOL_OBJS = \
 	tbxfroot.o\
 	utascii.o\
 	utbuffer.o\
+	utcksum.o\
 	utdebug.o\
 	utexcep.o\
 	utglobal.o\