diff --git a/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs b/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
index 0c6a2fa4ca..0bcb4f35cb 100644
--- a/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
+++ b/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
@@ -708,6 +708,7 @@ namespace BizHawk.Client.EmuHawk
 				SetHeader();
 				UpdateGroupBoxTitle();
 				UpdateValues();
+				_secondaryHighlightedAddresses.Clear();
 			}
 		}