diff --git a/pageserver/src/tenant/remote_timeline_client.rs b/pageserver/src/tenant/remote_timeline_client.rs
index e78fc5cef8..3794fa6cd1 100644
--- a/pageserver/src/tenant/remote_timeline_client.rs
+++ b/pageserver/src/tenant/remote_timeline_client.rs
@@ -2215,7 +2215,8 @@ impl RemoteTimelineClient {
                 assert_eq!(
                     qi.num_inprogress_layer_uploads
                         + qi.num_inprogress_metadata_uploads
-                        + qi.num_inprogress_deletions,
+                        + qi.num_inprogress_deletions
+                        + qi.num_inprogress_barriers,
                     qi.inprogress_tasks.len()
                 );