diff --git a/osu.Game.Rulesets.Osu.Tests/OsuBeatmapConversionTest.cs b/osu.Game.Rulesets.Osu.Tests/OsuBeatmapConversionTest.cs
index aaff1a2554..2b7ae143d8 100644
--- a/osu.Game.Rulesets.Osu.Tests/OsuBeatmapConversionTest.cs
+++ b/osu.Game.Rulesets.Osu.Tests/OsuBeatmapConversionTest.cs
@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Osu.Tests
         [TestCase("multi-segment-slider")]
         [TestCase("nan-slider")]
         [TestCase("1124896")]
-        // [TestCase("1341554")] TODO: investigate later
+        [TestCase("1341554")]
         [TestCase("2593923")]
         // [TestCase("2730824")] TODO: investigate later
         // [TestCase("4235513")] TODO: investigate later
diff --git a/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs b/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs
index bbe28817a0..0566b7f334 100644
--- a/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs
+++ b/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs
@@ -151,7 +151,10 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
 
                         double endTime = objectN.GetEndTime();
 
-                        if (objectI.StartTime - endTime > stackThreshold)
+                        // truncation to integer is required to match stable
+                        // compare https://github.com/peppy/osu-stable-reference/blob/08e3dafd525934cf48880b08e91c24ce4ad8b761/osu!/GameplayElements/HitObjectManager.cs#L1725
+                        // - both quantities being subtracted there are integers
+                        if ((int)objectI.StartTime - (int)endTime > stackThreshold)
                             // We are no longer within stacking range of the previous object.
                             break;