diff --git a/src/control/firehose.rs b/src/control/firehose.rs
index f1378f1..cc44c05 100644
--- a/src/control/firehose.rs
+++ b/src/control/firehose.rs
@@ -897,6 +897,27 @@ mod tests {
         Ok(())
     }
 
+    #[tokio::test]
+    async fn pds_info_reads_a_stored_big_endian_cursor() -> Result<()> {
+        let dir = tempfile::tempdir().into_diagnostic()?;
+        let hydrant = Hydrant::new(test_config(&dir)).await?;
+        let url = Url::parse("wss://stored.example/").into_diagnostic()?;
+        hydrant
+            .state
+            .db
+            .cursors
+            .insert(
+                keys::firehose_cursor_key_from_url(&url),
+                [0, 0, 0, 0, 0, 0, 1, 2],
+            )
+            .into_diagnostic()?;
+
+        let meta = hydrant.state.pds_meta.load();
+        let info = hydrant.firehose.pds_info(&url, &meta);
+        assert_eq!(info.map(|info| info.seq), Some(258));
+        Ok(())
+    }
+
     #[tokio::test]
     async fn admin_override_clears_public_provenance_in_memory_and_db() -> Result<()> {
         let dir = tempfile::tempdir().into_diagnostic()?;
diff --git a/src/control/hosts.rs b/src/control/hosts.rs
index 9fb8a56..fa757e8 100644
--- a/src/control/hosts.rs
+++ b/src/control/hosts.rs
@@ -584,6 +584,9 @@ mod host_listing_tests {
         assert_eq!(active.account_count, 42);
         assert_eq!(active.status, HostStatus::Active);
 
+        let status = hydrant.get_host_status("active.example").await?;
+        assert_eq!(status.map(|host| host.seq), Some(123));
+
         Ok(())
     }
 
diff --git a/src/control/stream/relay.rs b/src/control/stream/relay.rs
index 450ac3e..76d43d4 100644
--- a/src/control/stream/relay.rs
+++ b/src/control/stream/relay.rs
@@ -78,3 +78,27 @@ fn read_relay_replay_chunk(
         |_, frame| Some(bytes::Bytes::copy_from_slice(frame)),
     )
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::config::Config;
+
+    #[test]
+    fn replay_reads_big_endian_relay_seqs() {
+        let tmp = tempfile::tempdir().unwrap();
+        let db = crate::db::Db::open(&Config {
+            database_path: tmp.path().to_path_buf(),
+            ..Default::default()
+        })
+        .unwrap();
+        db.relay
+            .events
+            .insert([0, 0, 0, 0, 0, 0, 1, 2], b"frame")
+            .unwrap();
+
+        let chunk = read_relay_replay_chunk(&db.relay.events, Some(257), None, 8).unwrap();
+        assert_eq!(chunk.last_seen, Some(258));
+        assert_eq!(chunk.events, [bytes::Bytes::from_static(b"frame")]);
+    }
+}