diff --git a/web/src/app/[cat]/InteractionClient.tsx b/web/src/app/[cat]/InteractionClient.tsx
index e5ef1ff7..61f3b8ff 100644
--- a/web/src/app/[cat]/InteractionClient.tsx
+++ b/web/src/app/[cat]/InteractionClient.tsx
@@ -423,7 +423,7 @@ export default function InteractionClient() {
       };
 
       console.log('Contract returned maxMintableAmount:', {
-        raw: maxMintable.toString(),
+        raw: (maxMintable as bigint).toString(),
         formatted: maxMintableAmountNumber,
         currentSupply: newTokenDetails.currentSupply,
         maxSupply: newTokenDetails.maxSupply,
diff --git a/web/src/app/create/page.tsx b/web/src/app/create/page.tsx
index 7ebb5c8e..19464a46 100644
--- a/web/src/app/create/page.tsx
+++ b/web/src/app/create/page.tsx
@@ -110,9 +110,9 @@ const fields = [
     description: "Maximum supply expansion rate per year, for expansions above the supply threshold.",
     validate: (value: string) => ({
       isValid: /^\d+$/.test(value) && 
-               parseInt(value) >= 1 && 
+               parseInt(value) >= 0 && 
                parseInt(value) <= 100,
-      errorMessage: "Expansion rate must be between 1 and 100"
+      errorMessage: "Expansion rate must be between 0 and 100"
     })
   },
 ];