diff --git a/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSpunOut.cs b/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSpunOut.cs
index 24e69703a6..a8953c1a6f 100644
--- a/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSpunOut.cs
+++ b/osu.Game.Rulesets.Osu.Tests/Mods/TestSceneOsuModSpunOut.cs
@@ -8,12 +8,15 @@ using NUnit.Framework;
 using osu.Framework.Testing;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu.Judgements;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Skinning.Default;
+using osu.Game.Rulesets.Scoring;
 using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Tests.Mods
@@ -23,13 +26,37 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
         protected override bool AllowFail => true;
 
         [Test]
-        public void TestSpinnerAutoCompleted() => CreateModTest(new ModTestData
+        public void TestSpinnerAutoCompleted()
         {
-            Mod = new OsuModSpunOut(),
-            Autoplay = false,
-            Beatmap = singleSpinnerBeatmap,
-            PassCondition = () => Player.ChildrenOfType<DrawableSpinner>().SingleOrDefault()?.Progress >= 1
-        });
+            DrawableSpinner spinner = null;
+            JudgementResult lastResult = null;
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new OsuModSpunOut(),
+                Autoplay = false,
+                Beatmap = singleSpinnerBeatmap,
+                PassCondition = () =>
+                {
+                    // Bind to the first spinner's results for further tracking.
+                    if (spinner == null)
+                    {
+                        // We only care about the first spinner we encounter for this test.
+                        var nextSpinner = Player.ChildrenOfType<DrawableSpinner>().SingleOrDefault();
+
+                        if (nextSpinner == null)
+                            return false;
+
+                        lastResult = null;
+
+                        spinner = nextSpinner;
+                        spinner.OnNewResult += (o, result) => lastResult = result;
+                    }
+
+                    return lastResult?.Type == HitResult.Great;
+                }
+            });
+        }
 
         [TestCase(null)]
         [TestCase(typeof(OsuModDoubleTime))]
@@ -48,7 +75,57 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
                 PassCondition = () =>
                 {
                     var counter = Player.ChildrenOfType<SpinnerSpmCalculator>().SingleOrDefault();
-                    return counter != null && Precision.AlmostEquals(counter.Result.Value, 286, 1);
+                    var spinner = Player.ChildrenOfType<DrawableSpinner>().FirstOrDefault();
+
+                    if (counter == null || spinner == null)
+                        return false;
+
+                    // ignore cases where the spinner hasn't started as these lead to false-positives
+                    if (Precision.AlmostEquals(counter.Result.Value, 0, 1))
+                        return false;
+
+                    float rotationSpeed = (float)(1.01 * spinner.HitObject.SpinsRequired / spinner.HitObject.Duration);
+
+                    return Precision.AlmostEquals(counter.Result.Value, rotationSpeed * 1000 * 60, 1);
+                }
+            });
+        }
+
+        [Test]
+        public void TestSpinnerGetsNoBonusScore()
+        {
+            DrawableSpinner spinner = null;
+            List<JudgementResult> results = new List<JudgementResult>();
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new OsuModSpunOut(),
+                Autoplay = false,
+                Beatmap = singleSpinnerBeatmap,
+                PassCondition = () =>
+                {
+                    // Bind to the first spinner's results for further tracking.
+                    if (spinner == null)
+                    {
+                        // We only care about the first spinner we encounter for this test.
+                        var nextSpinner = Player.ChildrenOfType<DrawableSpinner>().SingleOrDefault();
+
+                        if (nextSpinner == null)
+                            return false;
+
+                        spinner = nextSpinner;
+                        spinner.OnNewResult += (o, result) => results.Add(result);
+
+                        results.Clear();
+                    }
+
+                    // we should only be checking the bonus/progress after the spinner has fully completed.
+                    if (results.OfType<OsuSpinnerJudgementResult>().All(r => r.TimeCompleted == null))
+                        return false;
+
+                    return
+                        results.Any(r => r.Type == HitResult.SmallBonus)
+                        && results.All(r => r.Type != HitResult.LargeBonus);
                 }
             });
         }
diff --git a/osu.Game.Rulesets.Osu/Mods/OsuModSpunOut.cs b/osu.Game.Rulesets.Osu/Mods/OsuModSpunOut.cs
index 098c639949..9be0dc748a 100644
--- a/osu.Game.Rulesets.Osu/Mods/OsuModSpunOut.cs
+++ b/osu.Game.Rulesets.Osu/Mods/OsuModSpunOut.cs
@@ -45,7 +45,11 @@ namespace osu.Game.Rulesets.Osu.Mods
             // for that reason using ElapsedFrameTime directly leads to fewer SPM with Half Time and more SPM with Double Time.
             // for spinners we want the real (wall clock) elapsed time; to achieve that, unapply the clock rate locally here.
             double rateIndependentElapsedTime = spinner.Clock.ElapsedFrameTime / spinner.Clock.Rate;
-            spinner.RotationTracker.AddRotation(MathUtils.RadiansToDegrees((float)rateIndependentElapsedTime * 0.03f));
+
+            // multiply the SPM by 1.01 to ensure that the spinner is completed. if the calculation is left exact,
+            // some spinners may not complete due to very minor decimal loss during calculation
+            float rotationSpeed = (float)(1.01 * spinner.HitObject.SpinsRequired / spinner.HitObject.Duration);
+            spinner.RotationTracker.AddRotation(MathUtils.RadiansToDegrees((float)rateIndependentElapsedTime * rotationSpeed * MathF.PI * 2.0f));
         }
     }
 }