diff --git a/src/Discord.Net.Core/Audio/IAudioClient.cs b/src/Discord.Net.Core/Audio/IAudioClient.cs
index 4cd83ed3f..2fc52a529 100644
--- a/src/Discord.Net.Core/Audio/IAudioClient.cs
+++ b/src/Discord.Net.Core/Audio/IAudioClient.cs
@@ -22,7 +22,7 @@ namespace Discord.Audio
         int UdpLatency { get; }
 
         /// <summary>Gets the current audio streams.</summary>
-        Dictionary<ulong, AudioInStream> GetStreams();
+        IReadOnlyDictionary<ulong, AudioInStream> GetStreams();
 
         Task StopAsync();
         Task SetSpeakingAsync(bool value);