diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index 44242842db..ec8d8f1b72 100644
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -165,7 +165,7 @@ cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 quiet_cmd_copy = COPY    $@
       cmd_copy = cp $< $@
 
-ifeq ($(CONFIG_SPL_OF_CONTROL),y)
+ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE),yy)
 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \
 		$(obj)/$(SPL_BIN).dtb FORCE
 	$(call if_changed,cat)