1 files changed, 2 insertions, 1 deletions
diff --git a/src/coap/qcoapinternalmessage.cpp b/src/coap/qcoapinternalmessage.cpp
index 271ab30..59f63ba 100644
--- a/src/coap/qcoapinternalmessage.cpp
+++ b/src/coap/qcoapinternalmessage.cpp
@@ -123,7 +123,8 @@ void QCoapInternalMessage::setFromDescriptiveBlockOption(const QCoapOption &opti
 {
     Q_D(QCoapInternalMessage);
 
-    const quint8 *optionData = reinterpret_cast<const quint8 *>(option.opaqueValue().data());
+    const auto value = option.opaqueValue();
+    const quint8 *optionData = reinterpret_cast<const quint8 *>(value.data());
     const quint8 lastByte = optionData[option.length() - 1];
     quint32 blockNumber = 0;