diff --git a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs
index 4e5087c004..50f941a1e5 100644
--- a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs
+++ b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs
@@ -414,7 +414,7 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
                                     double lengthOfOneRepeat = repeatHitObject.Duration / (repeatHitObject.RepeatCount + 1);
                                     int proposedCount = Math.Max(0, (int)Math.Round(proposedDuration / lengthOfOneRepeat) - 1);
 
-                                    if (proposedCount == repeatHitObject.RepeatCount)
+                                    if (proposedCount == repeatHitObject.RepeatCount || lengthOfOneRepeat == 0)
                                         return;
 
                                     repeatHitObject.RepeatCount = proposedCount;