diff --git a/www/src/ts/utils.ts b/www/src/ts/utils.ts
index 594b0ed..033f4b8 100644
--- a/www/src/ts/utils.ts
+++ b/www/src/ts/utils.ts
@@ -181,9 +181,11 @@ export function parseNumber(s: string): number {
   if (/^\$[0-9A-Fa-f]+$/.test(s)) {
     return parseInt(s.slice(1), 16)
   }
-  const hex = parseHex(s);
-  if (!isNaN(hex)) {
-    return hex;
+  if (/[a-fA-F]/.test(s)) {
+    const hex = parseHex(s);
+    if (!isNaN(hex)) {
+      return hex;
+    }
   }
   return parseFloat(s);
 }
@@ -204,9 +206,11 @@ export function parseIntWithHexOrBinary(s: string): number {
   if (/^\$[0-9A-Fa-f]+$/.test(s)) {
     return parseInt(s.slice(1), 16)
   }
-  const hex = parseHex(s);
-  if (!isNaN(hex)) {
-    return hex;
+  if (/[a-fA-F]/.test(s)) {
+    const hex = parseHex(s);
+    if (!isNaN(hex)) {
+      return hex;
+    }
   }
   return parseInt(s);
 }
diff --git a/www/src/ts/virtual_machine/device.ts b/www/src/ts/virtual_machine/device.ts
index 71c0ac7..2b7c022 100644
--- a/www/src/ts/virtual_machine/device.ts
+++ b/www/src/ts/virtual_machine/device.ts
@@ -460,7 +460,7 @@ export class VMDeviceList extends BaseElement {
   protected render(): HTMLTemplateResult {
     const deviceCards: HTMLTemplateResult[] = this.filteredDeviceIds.map(
       (id, _index, _ids) =>
-        html`< vm - device - card.deviceID=${ id } class="device-list-card" > </vm-device-card>`,
+        html`<vm-device-card .deviceID=${id} class="device-list-card" > </vm-device-card>`,
     );
     const result = html`
       <div class="header">