diff --git a/ManagedDoom/src/Silk/SilkDoom.cs b/ManagedDoom/src/Silk/SilkDoom.cs
index 46870464..cc2871a0 100644
--- a/ManagedDoom/src/Silk/SilkDoom.cs
+++ b/ManagedDoom/src/Silk/SilkDoom.cs
@@ -104,7 +104,7 @@ private void OnLoad()
 
             doom = new Doom(args, config, content, video, sound, music, userInput);
 
-            fpsScale = config.video_fpsscale;
+            fpsScale = args.timedemo.Present ? 1 : config.video_fpsscale;
             frameCount = -1;
         }