diff --git a/package.json b/package.json
index 6a9076a7..e10c209f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@yearn-finance/web-lib",
-  "version": "4.0.4",
+  "version": "4.0.5",
   "main": "./dist/index.js",
   "types": "./dist/index.d.js",
   "files": [
diff --git a/src/hooks/useFetchYearnVaults.ts b/src/hooks/useFetchYearnVaults.ts
index aebe81d2..a00fa812 100644
--- a/src/hooks/useFetchYearnVaults.ts
+++ b/src/hooks/useFetchYearnVaults.ts
@@ -81,6 +81,9 @@ function useFetchYearnVaults(chainIDs?: number[] | undefined): {
 	}, [vaultsMigrations]);
 
 	const vaultsRetiredObject = useDeepCompareMemo((): TDict<TYDaemonVault> => {
+		if (!vaultsRetired) {
+			return {};
+		}
 		const _retiredVaultsObject = (vaultsRetired || []).reduce(
 			(acc: TDict<TYDaemonVault>, vault): TDict<TYDaemonVault> => {
 				acc[toAddress(vault.address)] = vault;