diff --git a/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs b/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
index 4cbe83357a..427f0f4345 100644
--- a/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
+++ b/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
@@ -367,8 +367,8 @@ namespace BizHawk.Client.EmuHawk
 
 		private static byte[] GetRomBytes()
 		{
-			var path = GlobalWin.MainForm.CurrentlyOpenRom;
-			if (path == null)
+			var path = GlobalWin.MainForm.CurrentlyOpenRomArgs.OpenAdvanced.SimplePath;
+			if (string.IsNullOrEmpty(path))
 			{
 				return new byte[] { 0xFF };
 			}