diff --git a/pkg/bee/client.go b/pkg/bee/client.go
index a43acae3..6e8fc6bc 100644
--- a/pkg/bee/client.go
+++ b/pkg/bee/client.go
@@ -512,6 +512,8 @@ func (c *Client) GetOrCreateMutableBatch(ctx context.Context, postageTTL time.Du
 		c.log.Warningf("invalid chain price: %v", price)
 	}
 
+	c.log.Debugf("calculated mutable batch: amount '%d', label '%s', price '%d', block time '%d', ttl '%s'", amount, label, price, blockTime, postageTTL)
+
 	batches, err := c.PostageBatches(ctx)
 	if err != nil {
 		return "", fmt.Errorf("get postage batches: %w", err)
diff --git a/pkg/config/check.go b/pkg/config/check.go
index 13009b50..a3844612 100644
--- a/pkg/config/check.go
+++ b/pkg/config/check.go
@@ -418,7 +418,7 @@ var Checks = map[string]CheckType{
 			checkOpts := new(struct {
 				ContentSize             *int64         `yaml:"content-size"`
 				RndSeed                 *int64         `yaml:"rnd-seed"`
-				PostageAmount           *int64         `yaml:"postage-amount"`
+				PostageTTL              *time.Duration `yaml:"postage-ttl"`
 				PostageDepth            *uint64        `yaml:"postage-depth"`
 				PostageLabel            *string        `yaml:"postage-label"`
 				GasPrice                *string        `yaml:"gas-price"`