diff --git a/src/components/ui/TagInput.tsx b/src/components/ui/TagInput.tsx
index e4f2022e..910eb3f1 100644
--- a/src/components/ui/TagInput.tsx
+++ b/src/components/ui/TagInput.tsx
@@ -60,6 +60,7 @@ export function TagInput({
       ? userTags
       : Array.from(new Set([query, ...userTags])).filter((tag) =>
           tag
+            .toString()
             .toLowerCase()
             .replace(/\s+/g, "")
             .includes(query.toLowerCase().replace(/\s+/g, "")),