diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 53a456e..c7314f9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1221,7 +1221,7 @@
 };
 
 static ctl_table debug_table[] = {
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) || defined(CONFIG_PPC)
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "exception-trace",