diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index 4a7a12c..40eab73 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -26,7 +26,7 @@
 	return which;
 }
 
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_PROC_SYSCTL
 static int proc_ipc_dointvec(ctl_table *table, int write, struct file *filp,
 	void __user *buffer, size_t *lenp, loff_t *ppos)
 {