diff --git a/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs b/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
index ac704f8..423f881 100644
--- a/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
+++ b/FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
@@ -8,6 +8,7 @@
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
+using FFMpegCore.Enums;
 
 namespace FFMpegCore
 {