diff --git a/client/src/pages/home/lib/use-product-filters.ts b/client/src/pages/home/lib/use-product-filters.ts
index 48b71a8..46edcc7 100644
--- a/client/src/pages/home/lib/use-product-filters.ts
+++ b/client/src/pages/home/lib/use-product-filters.ts
@@ -70,7 +70,9 @@ export function useProductFilters() {
   }
 
   const toCents = (v: string) => {
-    const n = Number(String(v).trim().replace(',', '.'))
+    const trimmed = String(v).trim()
+    if (!trimmed) return undefined
+    const n = Number(trimmed.replace(',', '.'))
     return Number.isFinite(n) && n >= 0 ? Math.round(n * 100) : undefined
   }