diff --git a/gcc/config.guess b/gcc/config.guess
index d0d2c84c5fc..3522a0876ae 100755
--- a/gcc/config.guess
+++ b/gcc/config.guess
@@ -129,6 +129,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     mac68k:OpenBSD:*:*)
 	echo m68k-apple-openbsd${UNAME_RELEASE}
 	exit 0 ;;
+    powerpc:machten:*:*)
+	echo powerpc-apple-machten${UNAME_RELEASE}
+	exit 0 ;;
     RISC*:Mach:*:*)
 	echo mips-dec-mach_bsd4.3
 	exit 0 ;;