diff --git a/config.sub b/config.sub
index 40ea5df..932128b 100755
--- a/config.sub
+++ b/config.sub
@@ -1045,7 +1045,7 @@ 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