From 62001d116a35c1ccd70e177697439ec8fcfdc91c Mon Sep 17 00:00:00 2001
From: Ladislav Zezula <zezula@volny.cz>
Date: Fri, 16 Apr 2021 08:56:16 +0200
Subject: Minor fix

---
 src/SFileOpenArchive.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/SFileOpenArchive.cpp b/src/SFileOpenArchive.cpp
index e8ef64a..cda8140 100644
--- a/src/SFileOpenArchive.cpp
+++ b/src/SFileOpenArchive.cpp
@@ -164,7 +164,8 @@ bool WINAPI SFileSetArchiveMarkers(PSFILE_MARKERS pMarkers)
     InitializeMpqCryptography();
 
     // Remember the marker for MPQ header
-    g_dwMpqSignature = pMarkers->dwSignature;
+    if(pMarkers->dwSignature != 0)
+        g_dwMpqSignature = pMarkers->dwSignature;
 
     // Remember the encryption key for hash table
     if(pMarkers->szHashTableKey != NULL)
-- 
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