diff --git a/osu.Game/Graphics/UserInterface/OsuTextBox.cs b/osu.Game/Graphics/UserInterface/OsuTextBox.cs
index a5f133506e..e5341cfd4b 100644
--- a/osu.Game/Graphics/UserInterface/OsuTextBox.cs
+++ b/osu.Game/Graphics/UserInterface/OsuTextBox.cs
@@ -53,6 +53,7 @@ namespace osu.Game.Graphics.UserInterface
             TextAddCaps,
             TextRemove,
             TextConfirm,
+            TextInvalid,
             CaretMove,
             SelectCharacter,
             SelectWord,
@@ -95,6 +96,7 @@ namespace osu.Game.Graphics.UserInterface
                 { FeedbackSampleType.TextAddCaps, new[] { audio.Samples.Get(@"Keyboard/key-caps") } },
                 { FeedbackSampleType.TextRemove, new[] { audio.Samples.Get(@"Keyboard/key-delete") } },
                 { FeedbackSampleType.TextConfirm, new[] { audio.Samples.Get(@"Keyboard/key-confirm") } },
+                { FeedbackSampleType.TextInvalid, new[] { audio.Samples.Get(@"Keyboard/key-invalid") } },
                 { FeedbackSampleType.CaretMove, new[] { audio.Samples.Get(@"Keyboard/key-movement") } },
                 { FeedbackSampleType.SelectCharacter, new[] { audio.Samples.Get(@"Keyboard/select-char") } },
                 { FeedbackSampleType.SelectWord, new[] { audio.Samples.Get(@"Keyboard/select-word") } },
@@ -111,6 +113,9 @@ namespace osu.Game.Graphics.UserInterface
         {
             base.OnUserTextAdded(added);
 
+            if (!added.Any(CanAddCharacter))
+                return;
+
             if (added.Any(char.IsUpper) && AllowUniqueCharacterSamples)
                 playSample(FeedbackSampleType.TextAddCaps);
             else
@@ -124,6 +129,13 @@ namespace osu.Game.Graphics.UserInterface
             playSample(FeedbackSampleType.TextRemove);
         }
 
+        protected override void NotifyInputError()
+        {
+            base.NotifyInputError();
+
+            playSample(FeedbackSampleType.TextInvalid);
+        }
+
         protected override void OnTextCommitted(bool textChanged)
         {
             base.OnTextCommitted(textChanged);