diff --git a/src/plugins/platforms/qnx/qqnxscreen.cpp b/src/plugins/platforms/qnx/qqnxscreen.cpp
index b918dd6a41..dcfa027aca 100644
--- a/src/plugins/platforms/qnx/qqnxscreen.cpp
+++ b/src/plugins/platforms/qnx/qqnxscreen.cpp
@@ -226,6 +226,7 @@ void QQnxScreen::setRotation(int rotation)
         if (m_primaryScreen) {
             QWindowSystemInterface::handleScreenOrientationChange(screen(), orientation());
             QWindowSystemInterface::handleScreenGeometryChange(screen(), m_currentGeometry);
+            resizeMaximizedWindows();
         }
     }
 }