diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index 80d41c5267..7057bd46bb 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -399,7 +399,11 @@ namespace osu.Game.Beatmaps
                     beatmap.Status = res.Status;
                     beatmap.BeatmapSet.Status = res.BeatmapSet.Status;
                     beatmap.BeatmapSet.OnlineBeatmapSetID = res.OnlineBeatmapSetID;
-                    beatmap.OnlineBeatmapID = res.OnlineBeatmapID;
+
+                    // note that this check only needs to be here if two identical hashed beatmaps exist int he same import.
+                    // probably fine to leave it for safety.
+                    if (set.Beatmaps.All(b => b.OnlineBeatmapID != res.OnlineBeatmapID))
+                        beatmap.OnlineBeatmapID = res.OnlineBeatmapID;
 
                     LogForModel(set, $"Online retrieval mapped {beatmap} to {res.OnlineBeatmapSetID} / {res.OnlineBeatmapID}.");
                 }