diff --git a/server/datastore/inmem/invites.go b/server/datastore/inmem/invites.go
index b3f13c554e..5834e17d5d 100644
--- a/server/datastore/inmem/invites.go
+++ b/server/datastore/inmem/invites.go
@@ -2,6 +2,7 @@ package inmem
 
 import (
 	"sort"
+	"time"
 
 	"github.com/kolide/kolide-ose/server/errors"
 	"github.com/kolide/kolide-ose/server/kolide"
@@ -18,6 +19,11 @@ func (orm *Datastore) NewInvite(invite *kolide.Invite) (*kolide.Invite, error) {
 		}
 	}
 
+	// set time if missing.
+	if invite.CreatedAt.IsZero() {
+		invite.CreatedAt = time.Now()
+	}
+
 	invite.ID = uint(len(orm.invites) + 1)
 	orm.invites[invite.ID] = invite
 	return invite, nil