diff --git a/luci/luci-app-qmodem/root/usr/share/qmodem/modem_scan.sh b/luci/luci-app-qmodem/root/usr/share/qmodem/modem_scan.sh
index ea0ae6f..50ca3f5 100755
--- a/luci/luci-app-qmodem/root/usr/share/qmodem/modem_scan.sh
+++ b/luci/luci-app-qmodem/root/usr/share/qmodem/modem_scan.sh
@@ -126,7 +126,7 @@ scan_pcie_slot_interfaces()
     dun_devices=""
     [ ! -d "$slot_path" ] && return
     local short_slot_name=`echo ${slot:2:-2} |tr ":" "."`
-    local slot_interfaces=$(ls $slot_path | grep -E "_${short_slot_name}_")
+    local slot_interfaces=$(ls $slot_path | grep -E "_*${short_slot_name}_")
     for interface in $slot_interfaces; do
         unset device
         unset dun_device