diff --git a/src/qwaylandlayersurface.cpp b/src/qwaylandlayersurface.cpp
index 53fe9d0..89f47ef 100644
--- a/src/qwaylandlayersurface.cpp
+++ b/src/qwaylandlayersurface.cpp
@@ -119,6 +119,7 @@ void QWaylandLayerSurface::applyConfigure()
 void QWaylandLayerSurface::setAnchor(uint anchor)
 {
     set_anchor(anchor);
+    setWindowGeometry(window()->windowContentGeometry());
 }
 
 void QWaylandLayerSurface::setExclusiveZone(int32_t zone)