1 files changed, 8 insertions, 5 deletions
diff --git a/src/network/socket/qnativesocketengine.cpp b/src/network/socket/qnativesocketengine.cpp
index 4c8b3ebf3f8..ca5fb50f086 100644
--- a/src/network/socket/qnativesocketengine.cpp
+++ b/src/network/socket/qnativesocketengine.cpp
@@ -429,11 +429,14 @@ bool QNativeSocketEngine::initialize(QAbstractSocket::SocketType socketType, QAb
 
     if (socketType == QAbstractSocket::UdpSocket) {
         // Set the broadcasting flag if it's a UDP socket.
-        if (!setOption(BroadcastSocketOption, 1)) {
-            d->setError(QAbstractSocket::UnsupportedSocketOperationError,
-                        QNativeSocketEnginePrivate::BroadcastingInitFailedErrorString);
-            close();
-            return false;
+        // IPv6 does not support broadcast — only set option for IPv4
+        if (protocol == QAbstractSocket::IPv4Protocol) {
+            if (!setOption(BroadcastSocketOption, 1)) {
+                d->setError(QAbstractSocket::UnsupportedSocketOperationError,
+                            QNativeSocketEnginePrivate::BroadcastingInitFailedErrorString);
+                close();
+                return false;
+            }
         }
 
         // Set some extra flags that are interesting to us, but accept failure