diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index 25a6409e01..efbf1e9f63 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -3160,6 +3160,12 @@ namespace BizHawk.Client.EmuHawk
 					aw = new AudioStretcher(aw);
 				}
 
+				if (unattended && Global.Config.TargetZoomFactor > 1)
+				{
+					_avwriterResizew = Global.Config.TargetZoomFactor * _currentVideoProvider.BufferWidth;
+					_avwriterResizeh = Global.Config.TargetZoomFactor * _currentVideoProvider.BufferHeight;
+				}
+
 				aw.SetMovieParameters(Emulator.VsyncNumerator(), Emulator.VsyncDenominator());
 				if (_avwriterResizew > 0 && _avwriterResizeh > 0)
 				{