From a91b861a4db332cd719702d25bb6b90177087997 Mon Sep 17 00:00:00 2001
From: CasualPokePlayer <50538166+CasualPokePlayer@users.noreply.github.com>
Date: Fri, 18 Feb 2022 00:18:15 -0800
Subject: [PATCH] fix #3095

---
 src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs b/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs
index 204127e997..04811cf704 100644
--- a/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs
+++ b/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs
@@ -208,10 +208,11 @@ namespace BizHawk.Client.Common
 				{
 					ri.KnownFirmwareFile = ff;
 
-					// if the known firmware file is for a different firmware, flag it so we can show a warning
-					if (FirmwareDatabase.FirmwareOptions.Any(fo => fo.Hash == rff.Hash && fo.ID != fr.ID))
+					// assume the firmware file is for a different firmware, unflag it in case it isn't
+					ri.KnownMismatching = true;
+					if (FirmwareDatabase.FirmwareOptions.Any(fo => fo.Hash == rff.Hash && fo.ID == fr.ID))
 					{
-						ri.KnownMismatching = true;
+						ri.KnownMismatching = false;
 					}
 				}
 			}