diff --git a/model/message_test.go b/model/message_test.go
index b440b8e..958b050 100644
--- a/model/message_test.go
+++ b/model/message_test.go
@@ -47,6 +47,9 @@ func TestTranscriptConsistency(t *testing.T) {
 	sarah.AddContact(alice.Onion, &alice.PublicProfile)
 	alice.AddContact(sarah.Onion, &sarah.PublicProfile)
 
+	// The lightest weight server entry possible (usually we would import a key bundle...)
+	sarah.AddContact("2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd", &PublicProfile{Attributes: map[string]string{string(KeyTypeServerOnion): "2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd"}})
+
 	gid, invite, _ := alice.StartGroup("2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd")
 
 	sarah.ProcessInvite(invite)
diff --git a/model/profile.go b/model/profile.go
index b55feb0..be05f55 100644
--- a/model/profile.go
+++ b/model/profile.go
@@ -391,7 +391,7 @@ func (p *Profile) GetGroup(groupID string) (g *Group) {
 func (p *Profile) ProcessInvite(invite string) (string, error) {
 	gci, err := ValidateInvite(invite)
 	if err == nil {
-		if _, exists := p.GetContact(gci.ServerHost); !exists {
+		if server, exists := p.GetContact(gci.ServerHost); !exists || !server.IsServer() {
 			return "", fmt.Errorf("unknown server. a server key bundle needs to be imported before this group can be verified")
 		}
 		group := new(Group)