diff --git a/tools/Makefile b/tools/Makefile
index baf8febe..624860a1 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -50,7 +50,7 @@ SCC: scc_bootinfo.bin scc_setup.bin reset_vector.bin initrd.img bin2obj
 	chmod a-x *.bin
 	. ./prepare.sh
 	./bin2obj -m load.map -o metalsvm.obj
-	sccMerge -noimage -m 8 -n 12 -force ./metalsvm.mt
+	sccMerge -noimage -1slot -m 8 -n 12 -force ./metalsvm.mt
 
 clean:
 	$(RM) -rf *.o *~ bin2obj make_initrd initrd.img *.bin *.obj *.hex *.elf obj