diff --git a/tools/Makefile b/tools/Makefile
index b645224..e6d8045 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -69,6 +69,7 @@
 
 # common objs for dumpimage and mkimage
 dumpimage-mkimage-objs := aisimage.o \
+			atmelimage.o \
 			$(FIT_SIG_OBJS-y) \
 			crc32.o \
 			default_image.o \