diff --git a/package/network/utils/comgt/files/3g.sh b/package/network/utils/comgt/files/3g.sh
index b0cdae234d..d438cb7a6d 100644
--- a/package/network/utils/comgt/files/3g.sh
+++ b/package/network/utils/comgt/files/3g.sh
@@ -31,6 +31,8 @@ proto_3g_setup() {
 	json_get_var dialnumber dialnumber
 
 	[ -n "$dat_device" ] && device=$dat_device
+
+	device="$(readlink -f $device)"
 	[ -e "$device" ] || {
 		proto_set_available "$interface" 0
 		return 1
diff --git a/package/network/utils/comgt/files/directip.sh b/package/network/utils/comgt/files/directip.sh
index 79b8c32c83..381bfb0000 100644
--- a/package/network/utils/comgt/files/directip.sh
+++ b/package/network/utils/comgt/files/directip.sh
@@ -27,6 +27,7 @@ proto_directip_setup() {
 
 	[ -n "$ctl_device" ] && device=$ctl_device
 
+	device="$(readlink -f $device)"
 	[ -e "$device" ] || {
 		proto_notify_error "$interface" NO_DEVICE
 		proto_set_available "$interface" 0
diff --git a/package/network/utils/comgt/files/ncm.sh b/package/network/utils/comgt/files/ncm.sh
index 09c2c18b40..cf3cef6154 100644
--- a/package/network/utils/comgt/files/ncm.sh
+++ b/package/network/utils/comgt/files/ncm.sh
@@ -45,6 +45,8 @@ proto_ncm_setup() {
 		proto_set_available "$interface" 0
 		return 1
 	}
+
+	device="$(readlink -f $device)"
 	[ -e "$device" ] || {
 		echo "Control device not valid"
 		proto_set_available "$interface" 0