diff --git a/etc/inc/config.inc b/etc/inc/config.inc
index f0cc1ee7ec..b0b3be959e 100644
--- a/etc/inc/config.inc
+++ b/etc/inc/config.inc
@@ -1816,6 +1816,7 @@ function backup_config() {
 }
 
 function mute_kernel_msgs() {
+	global $config;
 	// Do not mute serial console.  The kernel gets very very cranky
 	// and will start dishing you cannot control tty errors.
 	if(trim(file_get_contents("/etc/platform")) == "nanobsd")
@@ -1826,6 +1827,7 @@ function mute_kernel_msgs() {
 }
 
 function unmute_kernel_msgs() {
+	global $config;
 	// Do not mute serial console.  The kernel gets very very cranky
 	// and will start dishing you cannot control tty errors.
 	if(trim(file_get_contents("/etc/platform")) == "nanobsd")