diff --git a/app/api/RoomsApi.php b/app/api/RoomsApi.php
index e3bd316..035b172 100644
--- a/app/api/RoomsApi.php
+++ b/app/api/RoomsApi.php
@@ -54,6 +54,7 @@ class RoomsApi extends ApiController
 		foreach ($roomsData as $roomKey => $roomData) {
 			if ($roomData['device_count'] == 0) continue;
 			$subDevicesSorted = isset($subDevicesData[$roomData['room_id']]) ? Utilities::sortArrayByKey($subDevicesData[$roomData['room_id']], 'connection_error', 'asc') : [];
+			if (count($subDevicesSorted) == 0) continue;
 			$response[] = [
 				'room_id' => $roomData['room_id'],
 				'name' => $roomData['name'],
diff --git a/git-stats.ps1 b/git-stats.ps1
new file mode 100644
index 0000000..76a85b5
--- /dev/null
+++ b/git-stats.ps1
@@ -0,0 +1,2 @@
+$lines = (ls  -r|sls '^\s*(#|$)' -a -n).Count
+write-host $lines" of code"
\ No newline at end of file