diff --git a/api.go b/api.go
index 5916591..edff337 100644
--- a/api.go
+++ b/api.go
@@ -91,7 +91,7 @@ func webUpdatePost(w http.ResponseWriter, r *http.Request, _ httprouter.Params)
 		updStatus = http.StatusBadRequest
 		upd = jsonError("bad_txt")
 	} else if validSubdomain(a.Subdomain) && validTXT(a.Value) {
-		err := DB.Update(a)
+		err := DB.Update(a.ACMETxtPost)
 		if err != nil {
 			log.WithFields(log.Fields{"error": err.Error()}).Debug("Error while trying to update record")
 			updStatus = http.StatusInternalServerError
diff --git a/db.go b/db.go
index 36b5706..358bde7 100644
--- a/db.go
+++ b/db.go
@@ -281,7 +281,7 @@ func (d *acmedb) GetTXTForDomain(domain string) ([]string, error) {
 	return txts, nil
 }
 
-func (d *acmedb) Update(a ACMETxt) error {
+func (d *acmedb) Update(a ACMETxtPost) error {
 	d.Lock()
 	defer d.Unlock()
 	var err error
diff --git a/db_test.go b/db_test.go
index 9e578ff..beca9c1 100644
--- a/db_test.go
+++ b/db_test.go
@@ -161,7 +161,7 @@ func TestQueryExecErrors(t *testing.T) {
 		t.Errorf("Expected error from exec in Register, but got none")
 	}
 	reg.Value = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
-	err = DB.Update(reg)
+	err = DB.Update(reg.ACMETxtPost)
 	if err == nil {
 		t.Errorf("Expected error from exec in Update, but got none")
 	}
@@ -238,10 +238,10 @@ func TestGetTXTForDomain(t *testing.T) {
 	txtval2 := "___validation_token_received_YEAH_the_ca___"
 
 	reg.Value = txtval1
-	_ = DB.Update(reg)
+	_ = DB.Update(reg.ACMETxtPost)
 
 	reg.Value = txtval2
-	_ = DB.Update(reg)
+	_ = DB.Update(reg.ACMETxtPost)
 
 	regDomainSlice, err := DB.GetTXTForDomain(reg.Subdomain)
 	if err != nil {
@@ -294,7 +294,7 @@ func TestUpdate(t *testing.T) {
 	regUser.Password = "nevergonnagiveyouup"
 	regUser.Value = validTXT
 
-	err = DB.Update(regUser)
+	err = DB.Update(regUser.ACMETxtPost)
 	if err != nil {
 		t.Errorf("DB Update failed, got error: [%v]", err)
 	}
diff --git a/dns_test.go b/dns_test.go
index 83723f8..bd6877c 100644
--- a/dns_test.go
+++ b/dns_test.go
@@ -168,7 +168,7 @@ func TestResolveTXT(t *testing.T) {
 		return
 	}
 	atxt.Value = validTXT
-	err = DB.Update(atxt)
+	err = DB.Update(atxt.ACMETxtPost)
 	if err != nil {
 		t.Errorf("Could not update db record: [%v]", err)
 		return
diff --git a/types.go b/types.go
index f1efa9c..7ad522c 100644
--- a/types.go
+++ b/types.go
@@ -74,7 +74,7 @@ type database interface {
 	Register(cidrslice) (ACMETxt, error)
 	GetByUsername(uuid.UUID) (ACMETxt, error)
 	GetTXTForDomain(string) ([]string, error)
-	Update(ACMETxt) error
+	Update(ACMETxtPost) error
 	GetBackend() *sql.DB
 	SetBackend(*sql.DB)
 	Close()