diff --git a/ares/Makefile.in b/ares/Makefile.in
index 4961d080bbc165b4501ebf91f5c9842d176d86c5..e7725156a745a5087b5089fea4458e8a0ccc818f 100644
--- a/ares/Makefile.in
+++ b/ares/Makefile.in
@@ -33,6 +33,9 @@ $(LIB): ${OBJS}
 	ar cru $@ ${OBJS}
 	${RANLIB} $@
 
+tags:
+	etags *.[ch]
+
 adig: adig.o $(LIB)
 	${CC} ${LDFLAGS} -o $@ adig.o $(LIB) ${LIBS}