1 files changed, 7 insertions, 2 deletions
diff --git a/src/libs/installer/lib7z_facade.cpp b/src/libs/installer/lib7z_facade.cpp
index 96e074a60..23e0f2775 100644
--- a/src/libs/installer/lib7z_facade.cpp
+++ b/src/libs/installer/lib7z_facade.cpp
@@ -185,8 +185,13 @@ static bool IsDST(const QDateTime& datetime = QDateTime())
 {
     const time_t seconds = static_cast< time_t >(datetime.isValid() ? datetime.toTime_t()
         : QDateTime::currentDateTime().toTime_t());
-    const tm* const t = localtime(&seconds);
-    return t->tm_isdst;
+#ifdef Q_OS_WIN
+    struct tm t;
+    localtime_s(&t, &seconds);
+#else
+    const struct tm &t = *localtime(&seconds);
+#endif
+    return t.tm_isdst;
 }
 
 static bool getFileTimeFromProperty(IInArchive* archive, int index, int propId, FILETIME *fileTime)