diff --git a/services/horizon/CHANGELOG.md b/services/horizon/CHANGELOG.md
index f419ef0976..77d5021791 100644
--- a/services/horizon/CHANGELOG.md
+++ b/services/horizon/CHANGELOG.md
@@ -7,6 +7,7 @@ file. This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 - Fix the issue where the skip-txmeta flag is not being applied in `/transactions/{tx-id}` endpoint ([5523](https://github.com/stellar/go/pull/5523)).
+- Fix `horizon_ingest_reap_lookup_tables_duration_seconds` metric which reports the total number of lookup table rows which were reaped ([5528](https://github.com/stellar/go/pull/5528)).
 
 ## 22.0.0-rc2
 
diff --git a/services/horizon/internal/ingest/reap.go b/services/horizon/internal/ingest/reap.go
index 63b56de993..01c304c080 100644
--- a/services/horizon/internal/ingest/reap.go
+++ b/services/horizon/internal/ingest/reap.go
@@ -331,6 +331,7 @@ func (r *lookupTableReaper) deleteOrphanedRows(ctx context.Context) error {
 		}
 		deleteDuration := time.Since(deleteStartTime)
 		totalDeleteDuration += deleteDuration
+		totalDeleted += rowsDeleted
 
 		r.rowsReapedByLookupTable.With(prometheus.Labels{"table": table}).
 			Observe(float64(rowsDeleted))