diff --git a/src/messaging/index.js b/src/messaging/index.js
index ccedd47e81..7a2cd617a6 100644
--- a/src/messaging/index.js
+++ b/src/messaging/index.js
@@ -417,7 +417,8 @@ async function checkReputation(uid) {
 }
 
 Messaging.hasPrivateChat = async (uid, withUid) => {
-	if (parseInt(uid, 10) === parseInt(withUid, 10)) {
+	if (parseInt(uid, 10) === parseInt(withUid, 10) ||
+		parseInt(uid, 10) <= 0 || parseInt(withUid, 10) <= 0) {
 		return 0;
 	}