diff --git a/Ryujinx.Graphics.Nvdec.H264/FFmpegContext.cs b/Ryujinx.Graphics.Nvdec.H264/FFmpegContext.cs
index 17de1a03a..606eeade3 100644
--- a/Ryujinx.Graphics.Nvdec.H264/FFmpegContext.cs
+++ b/Ryujinx.Graphics.Nvdec.H264/FFmpegContext.cs
@@ -4,11 +4,14 @@ using System;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Ryujinx.Graphics.Nvdec.H264
 {
     unsafe class FFmpegContext : IDisposable
     {
+        private static int _isInitialized;
+
         private readonly av_log_set_callback_callback _logFunc;
         private readonly AVCodec* _codec;
         private AVPacket* _packet;
@@ -32,7 +35,10 @@ namespace Ryujinx.Graphics.Nvdec.H264
 
         static FFmpegContext()
         {
-            SetRootPath();
+            if (Interlocked.Exchange(ref _isInitialized, 1) == 0)
+            {
+                SetRootPath();
+            }
         }
 
         private static void SetRootPath()