diff --git a/domain/src/main/java/tachiyomi/domain/history/interactor/GetReadDurationEntriesByMangaIds.kt b/domain/src/main/java/tachiyomi/domain/history/interactor/GetReadDurationEntriesByMangaIds.kt
index 50d197f00..ffd69ab8c 100644
--- a/domain/src/main/java/tachiyomi/domain/history/interactor/GetReadDurationEntriesByMangaIds.kt
+++ b/domain/src/main/java/tachiyomi/domain/history/interactor/GetReadDurationEntriesByMangaIds.kt
@@ -11,6 +11,10 @@ class GetReadDurationEntriesByMangaIds(
     }
 
     suspend fun await(mangaIds: List<Long>): List<History> {
-        return mangaIds.flatMap(::await)
+        return buildList {
+            mangaIds.forEach { mangaId ->
+                addAll(await(mangaId))
+            }
+        }
     }
 }