diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 681cbf86..f8d61501 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -2712,7 +2712,7 @@ void CCompositor::leaveUnsafeState() {
 
 void CCompositor::setPreferredScaleForSurface(wlr_surface* pSurface, double scale) {
     g_pProtocolManager->m_pFractionalScaleProtocolManager->setPreferredScaleForSurface(pSurface, scale);
-    wlr_surface_set_preferred_buffer_scale(pSurface, scale);
+    wlr_surface_set_preferred_buffer_scale(pSurface, static_cast<int32_t>(std::ceil(scale)));
 }
 
 void CCompositor::setPreferredTransformForSurface(wlr_surface* pSurface, wl_output_transform transform) {