diff --git a/src/commands/slash/linewize.js b/src/commands/slash/linewize.js
index 8384fc9..549d0e6 100644
--- a/src/commands/slash/linewize.js
+++ b/src/commands/slash/linewize.js
@@ -59,15 +59,19 @@ module.exports = {
     embed.addFields(
       {
         name: 'Signature',
-        value: res?.signatures?.signature?.toString(),
+        value:
+          res?.signatures?.signature?.toString?.() ?? 'Signature unavailable',
       },
       {
         name: 'Category',
-        value: res?.signatures?.category?.toString(),
+        value:
+          res?.signatures?.category?.toString?.() ?? 'Category unavailable',
       },
       {
         name: 'Subcategory',
-        value: res?.signatures?.subCategory?.toString(),
+        value:
+          res?.signatures?.subCategory?.toString?.() ??
+          'Subcategory unavailable',
       },
       {
         name: 'Effective domain',