1 files changed, 1 insertions, 1 deletions
diff --git a/src/hardwareintegration/compositor/shm-emulation-server/shmserverbufferintegration.cpp b/src/hardwareintegration/compositor/shm-emulation-server/shmserverbufferintegration.cpp
index 7a86785b0..1dd037adc 100644
--- a/src/hardwareintegration/compositor/shm-emulation-server/shmserverbufferintegration.cpp
+++ b/src/hardwareintegration/compositor/shm-emulation-server/shmserverbufferintegration.cpp
@@ -70,7 +70,7 @@ ShmServerBuffer::ShmServerBuffer(ShmServerBufferIntegration *integration, const
 
     QString key = "qt_shm_emulation_" + QString::number(qimage.cacheKey());
     m_shm = new QSharedMemory(key);
-    int shm_size = qimage.byteCount();
+    qsizetype shm_size = qimage.sizeInBytes();
     bool ok = m_shm->create(shm_size) && m_shm->lock();
     if (ok) {
         memcpy(m_shm->data(), qimage.constBits(), shm_size);