diff --git a/x/alliance/keeper/validator.go b/x/alliance/keeper/validator.go
index 5d59463..1d945da 100644
--- a/x/alliance/keeper/validator.go
+++ b/x/alliance/keeper/validator.go
@@ -55,7 +55,7 @@ func (k Keeper) createAllianceValidatorInfo(ctx context.Context, valAddr sdk.Val
 func (k Keeper) IterateAllianceValidatorInfo(ctx context.Context, cb func(valAddr sdk.ValAddress, info types.AllianceValidatorInfo) (stop bool)) (err error) {
 	store := runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx))
 	iter := storetypes.KVStorePrefixIterator(store, types.ValidatorInfoKey)
-	iter.Close() //nolint:errcheck,nolintlint
+	defer iter.Close() //nolint:errcheck,nolintlint
 	for ; iter.Valid(); iter.Next() {
 		var info types.AllianceValidatorInfo
 		b := iter.Value()