diff --git a/cockatrice/src/client/network/update/client/release_channel.cpp b/cockatrice/src/client/network/update/client/release_channel.cpp
index f401dfd00..b760c021c 100644
--- a/cockatrice/src/client/network/update/client/release_channel.cpp
+++ b/cockatrice/src/client/network/update/client/release_channel.cpp
@@ -27,29 +27,6 @@
 
 #define GIT_SHORT_HASH_LEN 7
 
-namespace
-{
-
-#if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
-// QSysInfo::productVersion() is not guaranteed to start with a number, e.g. it returns
-// "Server 2022" on Windows Server. Use the first numeric token as the major host version.
-std::optional<int> getProductVersionMajor()
-{
-    const QString versionString = QSysInfo::productVersion();
-    bool ok = false;
-    static const QRegularExpression firstNumber(R"((\d+))");
-    const auto match = firstNumber.match(versionString);
-    const int version = match.hasMatch() ? match.captured(1).toInt(&ok) : 0;
-    if (!ok) {
-        qCWarning(ReleaseChannelLog) << "Unable to determine OS version from" << versionString;
-        return std::nullopt;
-    }
-    return version;
-}
-#endif
-
-} // namespace
-
 ReleaseChannel::ReleaseChannel() : netMan(new QNetworkAccessManager(this)), response(nullptr), lastRelease(nullptr)
 {
 }
@@ -70,21 +47,18 @@ void ReleaseChannel::checkForUpdates()
 // Find assets compatible with host platform (Linux is not supported by in-client updater)
 std::optional<int> ReleaseChannel::getTargetVersionForCurrentOS(const QString &fileName)
 {
-#if defined(Q_OS_WIN) && Q_PROCESSOR_WORDSIZE == 4
-    // The published Windows assets are 64-bit only
-    Q_UNUSED(fileName);
-    return std::nullopt;
-#endif
-
     const QRegularExpression *regex = nullptr;
 
-    // Only platforms shipping updater assets (macOS, Windows) need the host version
-    static const std::optional<int> systemVersion =
-#if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
-        getProductVersionMajor();
-#else
-        std::nullopt;
-#endif
+    static const std::optional<int> systemVersion = [] {
+        bool ok = false;
+        const QString versionString = QSysInfo::productVersion();
+        const int version = versionString.split('.').first().toInt(&ok);
+        if (!ok) {
+            qCWarning(ReleaseChannelLog) << "Unable to determine OS version from" << versionString;
+            return std::optional<int>();
+        }
+        return std::optional<int>{version};
+    }();
 
     if (!systemVersion) {
         return std::nullopt;