diff --git a/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp b/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
index f5529813..957db33e 100644
--- a/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
+++ b/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
@@ -217,6 +217,13 @@ QWaylandXdgSurface::Popup::~Popup()
     }
 }
 
+void QWaylandXdgSurface::Popup::applyConfigure()
+{
+    if (m_pending.size != m_applied.size)
+        m_xdgSurface->m_window->resizeFromApplyConfigure(m_pending.size);
+    m_applied = m_pending;
+}
+
 void QWaylandXdgSurface::Popup::grab(QWaylandInputDevice *seat, uint serial)
 {
     m_xdgSurface->m_shell->m_topmostGrabbingPopup = this;
@@ -229,6 +236,13 @@ void QWaylandXdgSurface::Popup::xdg_popup_popup_done()
     m_xdgSurface->m_window->window()->close();
 }
 
+void QWaylandXdgSurface::xdg_popup_popup_configure(int32_t x, int32_t y, int32_t width, int32_t height)
+{
+    m_pending.size = QSize(width, height);
+}
+
+
+
 QWaylandXdgSurface::QWaylandXdgSurface(QWaylandXdgShell *shell, ::xdg_surface *surface, QWaylandWindow *window)
     : QWaylandShellSurface(window)
     , xdg_surface(surface)
@@ -330,6 +344,9 @@ void QWaylandXdgSurface::applyConfigure()
 
     if (m_toplevel)
         m_toplevel->applyConfigure();
+    else if (m_popup) {
+        m_popup->applyConfigure();
+    }
 
     m_configured = true;
     ack_configure(m_pendingConfigureSerial);
diff --git a/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell_p.h b/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell_p.h
index 8f8682a4..c67f44cd 100644
--- a/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell_p.h
+++ b/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell_p.h
@@ -133,13 +133,19 @@ private:
     public:
         Popup(QWaylandXdgSurface *xdgSurface, QWaylandXdgSurface *parent, QtWayland::xdg_positioner *positioner);
         ~Popup() override;
+        void applyConfigure();
 
         void grab(QWaylandInputDevice *seat, uint serial);
+        void xdg_popup_popup_configure(int32_t x, int32_t y, int32_t width, int32_t height);
         void xdg_popup_popup_done() override;
 
         QWaylandXdgSurface *m_xdgSurface = nullptr;
         QWaylandXdgSurface *m_parent = nullptr;
         bool m_grabbing = false;
+
+        struct {
+            QSize size = {0, 0};
+        }  m_pending, m_applied;
     };
 
     void setToplevel();