diff --git a/sshpiperd/upstream/database/handler.go b/sshpiperd/upstream/database/handler.go
index 8c2dbcd4..bee0388f 100644
--- a/sshpiperd/upstream/database/handler.go
+++ b/sshpiperd/upstream/database/handler.go
@@ -60,7 +60,8 @@ func (p *plugin) findUpstream(conn ssh.ConnMetadata, challengeContext ssh.Additi
 
 				if bytes.Equal(publicKey.Marshal(), expectKey) {
 
-					signer, err := ssh.ParsePrivateKey([]byte(d.Upstream.PrivateKey.Key.Data))
+					kinterf, err := ssh.ParseRawPrivateKey([]byte(d.Upstream.PrivateKey.Key.Data))
+					signer, err := ssh.NewSignerFromKey(kinterf)
 
 					if err != nil || signer == nil {
 						break
diff --git a/sshpiperd/upstream/database/model.go b/sshpiperd/upstream/database/model.go
index 8da8beda..e7bf63d6 100644
--- a/sshpiperd/upstream/database/model.go
+++ b/sshpiperd/upstream/database/model.go
@@ -18,7 +18,7 @@ type keydata struct {
 	gorm.Model
 
 	Name string `gorm:"type:varchar(45)"`
-	Data string `gorm:"type:varchar(3000)"`
+	Data string `gorm:"type:text"`
 	Type string `gorm:"type:varchar(45)"`
 }