diff --git a/src/Video/VideoPlayer.cs b/src/Video/VideoPlayer.cs
index 59f3c3d..c5da121 100644
--- a/src/Video/VideoPlayer.cs
+++ b/src/Video/VideoPlayer.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 using MoonWorks.Audio;
@@ -124,7 +124,10 @@ namespace MoonWorks.Video
 
 				Video = video;
 
-				InitializeTheoraStream();
+				lock (AudioDevice.StateLock)
+				{
+					InitializeTheoraStream();
+				}
 			}
 		}