diff --git a/src/app.c b/src/app.c

index 366037dd..f2a7c5be 100644

--- a/src/app.c

+++ b/src/app.c

@@ -2252,6 +2252,9 @@ static int resizeWatcher_(void *user, SDL_Event *event) {

}



iLocalDef iBool isResizeDrawEnabled_(void) {

+ if (isMobile_Platform()) {

+ return iFalse;

+ }

#if defined (LAGRANGE_ENABLE_RESIZE_DRAW)

if defined (LAGRANGE_ENABLE_X11_XLIB)

 if (!isXSession_X11()) {

diff --git a/src/ui/window.c b/src/ui/window.c

index 8c2a36ac..5b8b4da3 100644

--- a/src/ui/window.c

+++ b/src/ui/window.c

@@ -1577,14 +1577,27 @@ void draw_MainWindow(iMainWindow *d) {

 setCurrent_Text(d->base.text);

 /* Check if root needs resizing. */ {

     const iBool wasPortrait = isPortrait_App();

-// iInt2 renderSize;

-// SDL_GetRendererOutputSize(w->render, &renderSize.x, &renderSize.y);

+#if defined (iPlatformMobile)

+ /* On a mobile device, the window doesn't get freely resized. The render size will

+ change when the device orientation changes. */

+ iInt2 renderSize;

+ SDL_GetRendererOutputSize(w->render, &renderSize.x, &renderSize.y);

+ if (!isEqual_I2(renderSize, w->size)) {

+ updateSize_MainWindow_(d, iTrue);

+ processEvents_App(postedEventsOnly_AppEventMode); /* apply changes immediately */

+ if (isPortrait_App() != wasPortrait) {

+ d->maxDrawableHeight = renderSize.y;

+ }

+ }

+#else

+ /* On the desktop, we cannot process events now because that would interfere with

+ regular input processing (currently drawing the window). */

     if (updateSize_MainWindow_(d, iTrue)) {

- //processEvents_App(postedEventsOnly_AppEventMode);

         if (isPortrait_App() != wasPortrait) {

- d->maxDrawableHeight = w->size.y; // renderSize.y;

+ d->maxDrawableHeight = w->size.y;

         }

     }

+#endif

     /* TODO: On macOS, a detached popup window will mess up the main window's rendering

        completely. Looks like a render target mixup. macOS builds normally use native menus,

        though, so leaving it in. */