diff --git a/target/linux/generic-2.6/patches-2.6.23/100-netfilter_layer7_2.15.patch b/target/linux/generic-2.6/patches-2.6.23/100-netfilter_layer7_2.15.patch
index 6c6fd5de9f..35515461ff 100644
--- a/target/linux/generic-2.6/patches-2.6.23/100-netfilter_layer7_2.15.patch
+++ b/target/linux/generic-2.6/patches-2.6.23/100-netfilter_layer7_2.15.patch
@@ -1543,7 +1543,7 @@
 +
 +DEFINE_SPINLOCK(l7_lock);
 +
-+#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG
++#ifdef CONFIG_NETFILTER_XT_MATCH_LAYER7_DEBUG
 +/* Converts an unfriendly string into a friendly one by
 +replacing unprintables with periods and all whitespace with " ". */
 +static char * friendly_print(unsigned char * s)
@@ -1722,7 +1722,7 @@
 +	/* If we're in here, throw the app data away */
 +	if(master_conntrack->layer7.app_data != NULL) {
 +
-+	#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG
++	#ifdef CONFIG_NETFILTER_XT_MATCH_LAYER7_DEBUG
 +		if(!master_conntrack->layer7.app_proto) {
 +			char * f = 
 +			  friendly_print(master_conntrack->layer7.app_data);