diff --git a/app/components/account/ProgramInterfaceCard.tsx b/app/components/account/ProgramInterfaceCard.tsx
index ef81a1ba..2c9264c9 100644
--- a/app/components/account/ProgramInterfaceCard.tsx
+++ b/app/components/account/ProgramInterfaceCard.tsx
@@ -465,7 +465,7 @@ function MsaInstructionCard({
                                                                 value={inputArgumentValues[key] || ''}
                                                                 onChange={e => {
                                                                     setInputArgumentValues({
-                                                                        ...inputAccountValues,
+                                                                        ...inputArgumentValues,
                                                                         [key]: e.target.value,
                                                                     });
                                                                 }}
diff --git a/app/providers/cluster.tsx b/app/providers/cluster.tsx
index deef8a2b..2d2a3946 100644
--- a/app/providers/cluster.tsx
+++ b/app/providers/cluster.tsx
@@ -61,7 +61,7 @@ function parseQuery(searchParams: ReadonlyURLSearchParams | null): Cluster {
             return Cluster.Testnet;
         case 'mainnet-beta':
         default:
-            return Cluster.MainnetBeta;
+            return Cluster.Devnet;
     }
 }