diff --git a/arch/pjrc-8051/src/Makefile b/arch/pjrc-8051/src/Makefile
index 9a270a895a..5eae25abcf 100644
--- a/arch/pjrc-8051/src/Makefile
+++ b/arch/pjrc-8051/src/Makefile
@@ -201,7 +201,7 @@ irqtest:
 .depend: Makefile up_mem.h $(DEPSRCS)
 	@if [ -e board/Makefile ]; then \
 		$(MAKE) -C board TOPDIR=$(TOPDIR) depend ; \
-	if
+	fi	
 	$(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
 	touch $@