diff --git a/src/lib/devices/DeviceCard/RenameDevice.svelte b/src/lib/devices/DeviceCard/RenameDevice.svelte
index 33cfc5d..327f7ce 100644
--- a/src/lib/devices/DeviceCard/RenameDevice.svelte
+++ b/src/lib/devices/DeviceCard/RenameDevice.svelte
@@ -16,7 +16,7 @@
 
 	function renameDeviceAction() {
 		if (editUserForm.reportValidity()) {
-			renameDevice(device.id, newDeviceName)
+			renameDevice(device.id, newDeviceName.toLowerCase())
 				.then((response) => {
 					cardEditing = false;
 					// refresh users after editing
@@ -47,7 +47,7 @@
 {:else}
 	<form bind:this={editUserForm} on:submit|preventDefault={renameDeviceAction}>
 		<!-- Input has to be lower case, but we will force lower case on submit -->
-		<input in:slide on:click|stopPropagation bind:value={newDeviceName} class="card-input mb-1 lowercase" required pattern="[a-zA-Z\-\.]+" placeholder="name" />
+		<input in:slide on:click|stopPropagation bind:value={newDeviceName} class="card-input mb-1 lowercase" required pattern="[a-zA-Z1-9\-\.]+" placeholder="name" />
     <!-- edit accept symbol -->
 	<button in:fade on:click|stopPropagation class=""
   ><svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 inline flex-shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">