diff --git a/hscontrol/db/db.go b/hscontrol/db/db.go
index b219ffe..e54ea19 100644
--- a/hscontrol/db/db.go
+++ b/hscontrol/db/db.go
@@ -356,7 +356,7 @@ func NewHeadscaleDatabase(
 						addrs := strings.Split(node.Addresses, ",")
 
 						if len(addrs) == 0 {
-							fmt.Errorf("no addresses found for node(%d)", node.ID)
+							return fmt.Errorf("no addresses found for node(%d)", node.ID)
 						}
 
 						var v4 *netip.Addr
@@ -377,7 +377,12 @@ func NewHeadscaleDatabase(
 							}
 						}
 
-						err = tx.Save(&types.Node{ID: types.NodeID(node.ID), IPv4: v4, IPv6: v6}).Error
+						err = tx.Model(&types.Node{}).Where("id = ?", node.ID).Update("ipv4", v4.String()).Error
+						if err != nil {
+							return fmt.Errorf("saving ip addresses to new columns: %w", err)
+						}
+
+						err = tx.Model(&types.Node{}).Where("id = ?", node.ID).Update("ipv6", v6.String()).Error
 						if err != nil {
 							return fmt.Errorf("saving ip addresses to new columns: %w", err)
 						}
diff --git a/hscontrol/types/config.go b/hscontrol/types/config.go
index 5cc1166..f807360 100644
--- a/hscontrol/types/config.go
+++ b/hscontrol/types/config.go
@@ -238,7 +238,7 @@ func LoadConfig(path string, isFile bool) error {
 	viper.SetDefault("tuning.batch_change_delay", "800ms")
 	viper.SetDefault("tuning.node_mapsession_buffered_chan_size", 30)
 
-	viper.SetDefault("prefixes.allocation", IPAllocationStrategySequential)
+	viper.SetDefault("prefixes.allocation", string(IPAllocationStrategySequential))
 
 	if IsCLIConfigured() {
 		return nil