diff --git a/src/network/access/qhttpheaderparser.cpp b/src/network/access/qhttpheaderparser.cpp
index 489defa8d8..95ce4a7eb1 100644
--- a/src/network/access/qhttpheaderparser.cpp
+++ b/src/network/access/qhttpheaderparser.cpp
@@ -75,7 +75,7 @@ bool QHttpHeaderParser::parseHeaders(QByteArrayView header)
             line = line.trimmed();
             if (!line.empty()) {
                 if (value.size())
-                    value += ' ' + line.toByteArray();
+                    value += ' ' + line;
                 else
                     value = line.toByteArray();
             }