diff --git a/lib/xz/Kconfig b/lib/xz/Kconfig
index 82a04d7..08837db 100644
--- a/lib/xz/Kconfig
+++ b/lib/xz/Kconfig
@@ -15,7 +15,7 @@
 
 config XZ_DEC_POWERPC
 	bool "PowerPC BCJ filter decoder"
-	default y if POWERPC
+	default y if PPC
 	select XZ_DEC_BCJ
 
 config XZ_DEC_IA64