diff --git a/Makefile b/Makefile
index f4a9b33..a8c7b7b 100644
--- a/Makefile
+++ b/Makefile
@@ -467,8 +467,8 @@
 			sed -e 's/"[	 ]*$$/ for $(BOARD) board"/') \
 		-d $< $@
 
-$(OBJTREE)/u-boot.imx : $(obj)u-boot.bin $(SUBDIR_TOOLS) depend
-		$(MAKE) -C $(SRCTREE)/arch/arm/imx-common $@
+$(obj)u-boot.imx: $(obj)u-boot.bin depend
+		$(MAKE) -C $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 
 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 		$(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \