diff --git a/arch/nios2/Makefile b/arch/nios2/Makefile
index 08130fe..e74afc1 100644
--- a/arch/nios2/Makefile
+++ b/arch/nios2/Makefile
@@ -53,7 +53,7 @@ all: vmImage
 archclean:
 	$(Q)$(MAKE) $(clean)=$(nios2-boot)
 
-%.dtb:
+%.dtb: | scripts
 	$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
 
 dtbs: