diff --git a/xmtp_mls/src/client.rs b/xmtp_mls/src/client.rs
index 28a18ac19..fff0f1336 100644
--- a/xmtp_mls/src/client.rs
+++ b/xmtp_mls/src/client.rs
@@ -637,6 +637,7 @@ pub fn deserialize_welcome(welcome_bytes: &Vec<u8>) -> Result<Welcome, ClientErr
 #[cfg(test)]
 mod tests {
     use xmtp_cryptography::utils::generate_local_wallet;
+    use xmtp_id::InboxOwner;
 
     use crate::{
         builder::ClientBuilder,
@@ -713,6 +714,19 @@ mod tests {
         assert_eq!(groups[1].group_id, group_2.group_id);
     }
 
+    #[tokio::test]
+    async fn test_find_inbox_id() {
+        let wallet = generate_local_wallet();
+        let client = ClientBuilder::new_test_client(&wallet).await;
+        assert_eq!(
+            client
+                .find_inbox_id_from_address(wallet.get_address())
+                .await
+                .unwrap(),
+            Some(client.inbox_id())
+        );
+    }
+
     #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
     async fn test_sync_welcomes() {
         let alice = ClientBuilder::new_test_client(&generate_local_wallet()).await;