diff --git a/input.cpp b/input.cpp
--- a/input.cpp
+++ b/input.cpp
@@ -2207,7 +2207,9 @@
     if (input.isEmpty()) {
         return true;
     }
-    return input.translated(t->pos()).contains(pos);
+    // TODO: What about sub-surfaces sticking outside the main surface?
+    const QPoint localPoint = pos - t->bufferGeometry().topLeft();
+    return input.contains(localPoint);
 }
 
 Toplevel *InputRedirection::findToplevel(const QPoint &pos)
diff --git a/xdgshellclient.h b/xdgshellclient.h
--- a/xdgshellclient.h
+++ b/xdgshellclient.h
@@ -58,6 +58,7 @@
     XdgShellClient(KWayland::Server::XdgShellPopupInterface *surface);
     ~XdgShellClient() override;
 
+    QRect inputGeometry() const override;
     QRect bufferGeometry() const override;
     QStringList activities() const override;
     QPoint clientContentPos() const override;
diff --git a/xdgshellclient.cpp b/xdgshellclient.cpp
--- a/xdgshellclient.cpp
+++ b/xdgshellclient.cpp
@@ -295,6 +295,15 @@
     delete c;
 }
 
+QRect XdgShellClient::inputGeometry() const
+{
+    if (isDecorated()) {
+        return AbstractClient::inputGeometry();
+    }
+    // TODO: What about sub-surfaces sticking outside the main surface?
+    return m_bufferGeometry;
+}
+
 QRect XdgShellClient::bufferGeometry() const
 {
     return m_bufferGeometry;