diff --git a/src/Magnum/Platform/EmscriptenApplication.cpp b/src/Magnum/Platform/EmscriptenApplication.cpp
index f38e6525d..b784f37aa 100644
--- a/src/Magnum/Platform/EmscriptenApplication.cpp
+++ b/src/Magnum/Platform/EmscriptenApplication.cpp
@@ -414,7 +414,11 @@ void EmscriptenApplication::handleCanvasResize(const EmscriptenUiEvent* event) {
             #endif
             _dpiScaling, _devicePixelRatio};
         viewportEvent(e);
-        _flags |= Flag::Redraw;
+
+        /* Can't say just _flags | Flag::Redraw because in case the
+           requestAnimationFrame callback is not set up at the moment it would
+           never up this change. */
+        redraw();
     }
 }