diff --git a/package-lock.json b/package-lock.json
index d07e147..44258e6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ucentral-client",
-  "version": "2.10.0(14)",
+  "version": "2.10.0(15)",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ucentral-client",
-      "version": "2.10.0(14)",
+      "version": "2.10.0(15)",
       "license": "ISC",
       "dependencies": {
         "@chakra-ui/icons": "^2.0.11",
diff --git a/package.json b/package.json
index 70583a8..2a246b5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucentral-client",
-  "version": "2.10.0(14)",
+  "version": "2.10.0(15)",
   "description": "",
   "private": true,
   "main": "index.tsx",
diff --git a/src/pages/Devices/ListCard/index.tsx b/src/pages/Devices/ListCard/index.tsx
index 42815a9..4a1b2a5 100644
--- a/src/pages/Devices/ListCard/index.tsx
+++ b/src/pages/Devices/ListCard/index.tsx
@@ -40,7 +40,8 @@ import NumberCell from 'components/TableCells/NumberCell';
 import { DeviceWithStatus, useGetDeviceCount, useGetDevices } from 'hooks/Network/Devices';
 import { FirmwareAgeResponse, useGetFirmwareAges } from 'hooks/Network/Firmware';
 
-const fourDigitNumber = (v: number) => {
+const fourDigitNumber = (v?: number) => {
+  if (v === undefined || typeof v !== 'number') return '-';
   if (v === 0) {
     return '0.00';
   }