diff --git a/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs b/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
index 130a3c5750..699d45de3f 100644
--- a/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
+++ b/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
@@ -92,7 +92,7 @@ namespace MediaBrowser.Api.Playback.Hls
                     volParam = ",volume=2.000000";
                 }
                 
-                args += string.Format(" -af \"aresample=async=1000,{0}\"", volParam);
+                args += string.Format(" -af \"aresample=async=1000{0}\"", volParam);
 
                 return args;
             }
diff --git a/MediaBrowser.Api/Playback/Progressive/VideoService.cs b/MediaBrowser.Api/Playback/Progressive/VideoService.cs
index c0f3fd6895..7992948d20 100644
--- a/MediaBrowser.Api/Playback/Progressive/VideoService.cs
+++ b/MediaBrowser.Api/Playback/Progressive/VideoService.cs
@@ -217,7 +217,7 @@ namespace MediaBrowser.Api.Playback.Progressive
                 volParam = ",volume=2.000000";
             }
 
-            args += string.Format(" -af \"aresample=async=1000,{0}\"", volParam);
+            args += string.Format(" -af \"aresample=async=1000{0}\"", volParam);
 
             return args;
         }