1 files changed, 2 insertions, 1 deletions
diff --git a/src/compositor/compositor_api/qwaylandoutput.cpp b/src/compositor/compositor_api/qwaylandoutput.cpp
index 006edbe6a..7a02d4caa 100644
--- a/src/compositor/compositor_api/qwaylandoutput.cpp
+++ b/src/compositor/compositor_api/qwaylandoutput.cpp
@@ -831,7 +831,8 @@ void QWaylandOutput::setScaleFactor(int scale)
 
     d->scaleFactor = scale;
 
-    Q_FOREACH (QWaylandOutputPrivate::Resource *resource, d->resourceMap().values()) {
+    const auto resMap = d->resourceMap();
+    for (QWaylandOutputPrivate::Resource *resource : resMap) {
         if (resource->version() >= 2) {
             d->send_scale(resource->handle, scale);
             d->send_done(resource->handle);