diff --git a/Source/Common/Ini File Class.cpp b/Source/Common/Ini File Class.cpp
index 5a91ecf63..763a1f468 100644
--- a/Source/Common/Ini File Class.cpp	
+++ b/Source/Common/Ini File Class.cpp	
@@ -738,6 +738,7 @@ void CIniFileBase::SaveNumber ( LPCTSTR lpSectionName, LPCTSTR lpKeyName, ULONG
 
 void CIniFileBase::FlushChanges (void)
 {
+	CGuard Guard(m_CS);
 	SaveCurrentSection();
 }