diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp
index 6fec282f29d..b4993bfd179 100644
--- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp
+++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp
@@ -491,13 +491,13 @@ bool QXcbBackingStoreImage::scroll(const QRegion &area, int dx, int dy)
         for (const QRect &rect : scrollArea)
             qt_scrollRectInImage(m_qimage, rect, delta);
     } else {
+        ensureGC(m_xcb_pixmap);
+
         if (hasShm())
             shmPutImage(m_xcb_pixmap, m_pendingFlush.intersected(scrollArea));
         else
             flushPixmap(scrollArea);
 
-        ensureGC(m_xcb_pixmap);
-
         for (const QRect &src : scrollArea) {
             const QRect dst = src.translated(delta).intersected(bounds);
             xcb_copy_area(xcb_connection(),