diff --git a/Output/x64/acinerella.dll b/Output/x64/acinerella.dll
index e70d69eb..41790e99 100644
Binary files a/Output/x64/acinerella.dll and b/Output/x64/acinerella.dll differ
diff --git a/Output/x64/avcodec-54.dll b/Output/x64/avcodec-54.dll
index 782ea1ad..dd2af535 100644
Binary files a/Output/x64/avcodec-54.dll and b/Output/x64/avcodec-54.dll differ
diff --git a/Output/x64/avformat-54.dll b/Output/x64/avformat-54.dll
index 9f9f7bd8..a7d5c0c4 100644
Binary files a/Output/x64/avformat-54.dll and b/Output/x64/avformat-54.dll differ
diff --git a/Output/x64/avutil-51.dll b/Output/x64/avutil-51.dll
index b625de22..861e290b 100644
Binary files a/Output/x64/avutil-51.dll and b/Output/x64/avutil-51.dll differ
diff --git a/Output/x64/swscale-2.dll b/Output/x64/swscale-2.dll
index 307ced01..a883eacf 100644
Binary files a/Output/x64/swscale-2.dll and b/Output/x64/swscale-2.dll differ
diff --git a/Output/x86/acinerella.dll b/Output/x86/acinerella.dll
index 15887534..87dfc0f3 100644
Binary files a/Output/x86/acinerella.dll and b/Output/x86/acinerella.dll differ
diff --git a/Output/x86/avcodec-54.dll b/Output/x86/avcodec-54.dll
index 2d2baade..21d6a7b7 100644
Binary files a/Output/x86/avcodec-54.dll and b/Output/x86/avcodec-54.dll differ
diff --git a/Output/x86/avformat-54.dll b/Output/x86/avformat-54.dll
index eb10bcd9..0099c2cb 100644
Binary files a/Output/x86/avformat-54.dll and b/Output/x86/avformat-54.dll differ
diff --git a/Output/x86/avutil-51.dll b/Output/x86/avutil-51.dll
index b5559c48..0ab13c9f 100644
Binary files a/Output/x86/avutil-51.dll and b/Output/x86/avutil-51.dll differ
diff --git a/Output/x86/swscale-2.dll b/Output/x86/swscale-2.dll
index edee4afd..0cca8210 100644
Binary files a/Output/x86/swscale-2.dll and b/Output/x86/swscale-2.dll differ
diff --git a/Vocaluxe/Lib/Video/CVideoDecoderFFmpeg.cs b/Vocaluxe/Lib/Video/CVideoDecoderFFmpeg.cs
index 767a9fb9..4756ae06 100644
--- a/Vocaluxe/Lib/Video/CVideoDecoderFFmpeg.cs
+++ b/Vocaluxe/Lib/Video/CVideoDecoderFFmpeg.cs
@@ -394,14 +394,12 @@ namespace Vocaluxe.Lib.Video
 
         #region Threading
         private void DoSkip()
-        {
-            string extension = Path.GetExtension(_FileName); //just a workaround for the mkv-search-bug in ffmpeg
-            
+        {            
             _VideoSkipTime = _Gap;
             _SkipTime = _Start + _Gap;
             _BeforeLoop = false;           
 
-            if (_SkipTime > 0 && extension != ".mkv")
+            if (_SkipTime > 0)
             {
                 _VideoDecoderTime = _SkipTime;
                 try
@@ -419,8 +417,7 @@ namespace Vocaluxe.Lib.Video
                 _VideoDecoderTime = 0f;
                 try 
 	            {
-                    if (extension != ".mkv")
-                        CAcinerella.ac_seek(_videodecoder, -1, (Int64)0);
+                    CAcinerella.ac_seek(_videodecoder, -1, (Int64)0);
 	            }
 	            catch (Exception e)
 	            {