diff --git a/FFMpegCore/FFMpeg/Arguments/VideoFiltersArgument.cs b/FFMpegCore/FFMpeg/Arguments/VideoFiltersArgument.cs
index 40d1bb1..0fc9758 100644
--- a/FFMpegCore/FFMpeg/Arguments/VideoFiltersArgument.cs
+++ b/FFMpegCore/FFMpeg/Arguments/VideoFiltersArgument.cs
@@ -94,7 +94,7 @@ public class VideoFilterOptions
         return WithArgument(new PadArgument(padOptions));
     }
 
-    private VideoFilterOptions WithArgument(IVideoFilterArgument argument)
+    public VideoFilterOptions WithArgument(IVideoFilterArgument argument)
     {
         Arguments.Add(argument);
         return this;
diff --git a/FFMpegCore/FFMpeg/FFMpegGlobalArguments.cs b/FFMpegCore/FFMpeg/FFMpegGlobalArguments.cs
index 069244a..a4e91e6 100644
--- a/FFMpegCore/FFMpeg/FFMpegGlobalArguments.cs
+++ b/FFMpegCore/FFMpeg/FFMpegGlobalArguments.cs
@@ -8,10 +8,10 @@ public sealed class FFMpegGlobalArguments : FFMpegArgumentsBase
 
     public FFMpegGlobalArguments WithVerbosityLevel(VerbosityLevel verbosityLevel = VerbosityLevel.Error)
     {
-        return WithOption(new VerbosityLevelArgument(verbosityLevel));
+        return WithArgument(new VerbosityLevelArgument(verbosityLevel));
     }
 
-    private FFMpegGlobalArguments WithOption(IArgument argument)
+    public FFMpegGlobalArguments WithArgument(IArgument argument)
     {
         Arguments.Add(argument);
         return this;