diff --git a/td.go b/td.go
index e8651c0..27e7c38 100644
--- a/td.go
+++ b/td.go
@@ -81,7 +81,7 @@ func getHistory(c *tdlib.Client, chatID64 *int64, senderUserID64 *int64) {
 		chat = *chatID64
 	}
 
-	if historySenderUserID64 != int64(0) {
+	if *senderUserID64 != 0 {
 		userDetails, err := c.GetUser(senderUserID)
 		chatDetails, err := c.GetChat(chat)
 		fmt.Printf("Exporting historic messages for chat %d (%s) from user %d (%s)...\n", chat, chatDetails.Title, *senderUserID64, userDetails.Username)