diff --git a/etc/firefox.profile b/etc/firefox.profile
index c4f1f31d6..4e69411a0 100644
--- a/etc/firefox.profile
+++ b/etc/firefox.profile
@@ -6,7 +6,7 @@ include /etc/firejail/disable-common.inc
 include /etc/firejail/disable-devel.inc
 caps.drop all
 seccomp
-protocol unix,inet,inet6
+protocol unix,inet,inet6,netlink
 netfilter
 noroot
 whitelist ~/.mozilla
diff --git a/src/firejail/sandbox.c b/src/firejail/sandbox.c
index 582a4f520..384688b54 100644
--- a/src/firejail/sandbox.c
+++ b/src/firejail/sandbox.c
@@ -148,7 +148,6 @@ static void monitor_application(pid_t app_pid) {
 		struct dirent *entry;
 		app_pid = 0;
 		while ((entry = readdir(dir)) != NULL) {
-			char *end;
 			unsigned pid;
 			if (sscanf(entry->d_name, "%u", &pid) != 1)
 				continue;