diff --git a/BizHawk.Client.EmuHawk/MainForm.Movie.cs b/BizHawk.Client.EmuHawk/MainForm.Movie.cs
index 8efdf4a4f3..8befae6957 100644
--- a/BizHawk.Client.EmuHawk/MainForm.Movie.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.Movie.cs
@@ -90,6 +90,12 @@ namespace BizHawk.Client.EmuHawk
 			GlobalWin.Tools.Restart<VirtualpadTool>();
 			GlobalWin.DisplayManager.NeedsToPaint = true;
 
+
+			if (Global.MovieSession.Movie.Hash != Global.Game.Hash)
+			{
+				GlobalWin.OSD.AddMessage("Warning: Movie hash does not match the ROM");
+			}
+
 			return true;
 		}