diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc
index 8295ebc0bf57..6e84e724220c 100644
--- a/tools/build/mk/OptionalObsoleteFiles.inc
+++ b/tools/build/mk/OptionalObsoleteFiles.inc
@@ -899,7 +899,6 @@ OLD_FILES+=usr/include/openssl/idea.h
 .endif
 
 .if ${MK_INET6} == no
-OLD_FILES+=rescue/ping6
 OLD_FILES+=sbin/ping6
 OLD_FILES+=sbin/rtsol
 OLD_FILES+=usr/sbin/faithd
@@ -927,6 +926,10 @@ OLD_FILES+=usr/share/man/man8/rtsold.8.gz
 OLD_FILES+=usr/share/man/man8/traceroute6.8.gz
 .endif
 
+.if ${MK_INET6_SUPPORT} == no
+OLD_FILES+=rescue/ping6
+.endif
+
 #.if ${MK_INFO} == no
 # to be filled in
 #.endif