diff --git a/Makefile b/Makefile
index f2f2fdf2723..2c819a822a2 100644
--- a/Makefile
+++ b/Makefile
@@ -450,7 +450,6 @@ PHONY += scripts_basic
 ifeq ($(PREBUILT_HOST_TOOLS),)
 scripts_basic:
 	$(Q)$(MAKE) $(build)=scripts/basic
-	$(Q)$(MAKE) $(build)=scripts/gen_idt
 	$(Q)$(MAKE) $(build)=scripts/gen_offset_header
 else
 scripts_basic:
diff --git a/arch/x86/Makefile.idt b/arch/x86/Makefile.idt
index 05fc0dd7a80..a5e8167163a 100644
--- a/arch/x86/Makefile.idt
+++ b/arch/x86/Makefile.idt
@@ -28,7 +28,10 @@ quiet_cmd_gen_idt = SIDT    $@
 	rm staticIdt.bin irq_int_vector_map.bin isrList.bin			\
 )
 
-staticIdt.o: $(PREBUILT_KERNEL)
+$(GENIDT):
+	$(Q)$(MAKE) $(build)=scripts/gen_idt
+
+staticIdt.o: $(PREBUILT_KERNEL) $(GENIDT)
 	$(call cmd,gen_idt)
 
 quiet_cmd_lnk_elf = LINK    $@