diff --git a/config.sub b/config.sub
index 3478c1f..e422173 100755
--- a/config.sub
+++ b/config.sub
@@ -1040,7 +1040,7 @@ case $basic_machine in
;;
ppc64) basic_machine=powerpc64-unknown
;;
- ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ppc64-* | ppc64p7-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
;;
ppc64le | powerpc64little)
basic_machine=powerpc64le-unknown