diff --git a/src/gui/image/qpaintengine_pic.cpp b/src/gui/image/qpaintengine_pic.cpp
index e89cac452a..224938bd9c 100644
--- a/src/gui/image/qpaintengine_pic.cpp
+++ b/src/gui/image/qpaintengine_pic.cpp
@@ -140,8 +140,8 @@ bool QPicturePaintEngine::end()
     }
     d->s << (quint32) d->pic_d->trecs;                        // write number of records
     d->pic_d->pictb.seek(cs_start);
-    QByteArray buf = d->pic_d->pictb.buffer();
-    quint16 cs = (quint16) qChecksum(buf.constData() + data_start, pos - data_start);
+    const QByteArray buf = d->pic_d->pictb.buffer();
+    quint16 cs = (quint16) qChecksum(QByteArrayView(buf.constData() + data_start, pos - data_start));
     d->s << cs;                                // write checksum
     d->pic_d->pictb.close();
     setActive(false);
diff --git a/src/gui/image/qpicture.cpp b/src/gui/image/qpicture.cpp
index 77f3e7ffc8..d2ca2bbd22 100644
--- a/src/gui/image/qpicture.cpp
+++ b/src/gui/image/qpicture.cpp
@@ -1038,10 +1038,10 @@ bool QPicturePrivate::checkFormat()
     int cs_start = sizeof(quint32);                // pos of checksum word
     int data_start = cs_start + sizeof(quint16);
     quint16 cs,ccs;
-    QByteArray buf = pictb.buffer();        // pointer to data
+    const QByteArray buf = pictb.buffer();        // pointer to data
 
     s >> cs;                                // read checksum
-    ccs = (quint16) qChecksum(buf.constData() + data_start, buf.size() - data_start);
+    ccs = (quint16) qChecksum(QByteArrayView(buf.constData() + data_start, buf.size() - data_start));
     if (ccs != cs) {
         qWarning("QPicturePaintEngine::checkFormat: Invalid checksum %x, %x expected",
                   ccs, cs);