diff --git a/osu.Game.Modes.Osu/Objects/Slider.cs b/osu.Game.Modes.Osu/Objects/Slider.cs
index c3d8190240..daf4fd7138 100644
--- a/osu.Game.Modes.Osu/Objects/Slider.cs
+++ b/osu.Game.Modes.Osu/Objects/Slider.cs
@@ -59,7 +59,7 @@ namespace osu.Game.Modes.Osu.Objects
             var velocityAdjustment = overridePoint?.VelocityAdjustment ?? 1;
             var baseVelocity = 100 * baseDifficulty.SliderMultiplier;
 
-            Velocity = baseVelocity / (timingPoint.BeatLength * velocityAdjustment);
+            Velocity = baseVelocity / ((timingPoint?.BeatLength ?? 500) * velocityAdjustment);
             TickDistance = baseVelocity / (baseDifficulty.SliderTickRate * velocityAdjustment);
         }
 
diff --git a/osu.Game/Beatmaps/Beatmap.cs b/osu.Game/Beatmaps/Beatmap.cs
index d0ce290bad..5ddfadbc96 100644
--- a/osu.Game/Beatmaps/Beatmap.cs
+++ b/osu.Game/Beatmaps/Beatmap.cs
@@ -39,7 +39,7 @@ namespace osu.Game.Beatmaps
 
             ControlPoint timingPoint = null;
             foreach (var controlPoint in ControlPoints)
-                if (controlPoint.Time <= time)
+                if (controlPoint.Time <= time || timingPoint == null)
                 {
                     if (controlPoint.TimingChange)
                     {