2 files changed, 6 insertions, 4 deletions
diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
index 08ef1866bd..e609653aa4 100644
--- a/src/network/access/qnetworkreplyhttpimpl.cpp
+++ b/src/network/access/qnetworkreplyhttpimpl.cpp
@@ -1035,9 +1035,6 @@ void QNetworkReplyHttpImplPrivate::replyDownloadData(QByteArray d)
 
     // cache this, we need it later and it's invalidated when dealing with compressed data
     auto dataSize = d.size();
-    // Grab this to compare later (only relevant for compressed data) in case none of the data
-    // will be propagated to the user
-    const qint64 previousBytesDownloaded = bytesDownloaded;
 
     if (cacheEnabled && isCachingAllowed() && !cacheSaveDevice)
         initCacheSaveDevice();
@@ -1121,11 +1118,12 @@ void QNetworkReplyHttpImplPrivate::replyDownloadData(QByteArray d)
 
     // This can occur when downloading compressed data as some of the data may be the content
     // encoding's header. Don't emit anything for this.
-    if (previousBytesDownloaded == bytesDownloaded) {
+    if (lastReadyReadEmittedSize == bytesDownloaded) {
         if (readBufferMaxSize)
             emit q->readBufferFreed(dataSize);
         return;
     }
+    lastReadyReadEmittedSize = bytesDownloaded;
 
     QVariant totalSize = cookedHeaders.value(QNetworkRequest::ContentLengthHeader);
 
diff --git a/src/network/access/qnetworkreplyhttpimpl_p.h b/src/network/access/qnetworkreplyhttpimpl_p.h
index 55953ae878..11897d1420 100644
--- a/src/network/access/qnetworkreplyhttpimpl_p.h
+++ b/src/network/access/qnetworkreplyhttpimpl_p.h
@@ -200,6 +200,10 @@ public:
 
     qint64 bytesDownloaded;
     qint64 bytesBuffered;
+    // We use this to keep track of whether or not we need to emit readyRead
+    // when we deal with signal compression (delaying emission) + decompressing
+    // data (potentially receiving bytes that don't end up in the final output):
+    qint64 lastReadyReadEmittedSize = 0;
 
     QTimer *transferTimeout;