diff --git a/pkg/query-service/auth/auth.go b/pkg/query-service/auth/auth.go
index 9c958ff7e8..1a5775334a 100644
--- a/pkg/query-service/auth/auth.go
+++ b/pkg/query-service/auth/auth.go
@@ -125,7 +125,11 @@ func validateInvite(ctx context.Context, req *RegisterRequest) (*model.Invitatio
 		return nil, errors.Wrap(err.Err, "Failed to read from DB")
 	}
 
-	if invitation == nil || invitation.Token != req.InviteToken {
+	if invitation == nil {
+		return nil, ErrorAskAdmin
+	}
+
+	if invitation.Token != req.InviteToken {
 		return nil, ErrorInvalidInviteToken
 	}
 
diff --git a/pkg/query-service/auth/utils.go b/pkg/query-service/auth/utils.go
index 5e13c32b8f..4de59ea2c0 100644
--- a/pkg/query-service/auth/utils.go
+++ b/pkg/query-service/auth/utils.go
@@ -15,6 +15,7 @@ var (
 	ErrorInvalidRole  = errors.New("Invalid role")
 
 	ErrorInvalidInviteToken = errors.New("Invalid invite token")
+	ErrorAskAdmin           = errors.New("You are not allowed to create an account. Please ask your admin to send an invite link")
 )
 
 func randomHex(sz int) (string, error) {