diff --git a/src/video/wayland/SDL_waylandwindow.c b/src/video/wayland/SDL_waylandwindow.c
index 75d18bd32f..78cd5d678f 100644
--- a/src/video/wayland/SDL_waylandwindow.c
+++ b/src/video/wayland/SDL_waylandwindow.c
@@ -1895,7 +1895,7 @@ void Wayland_ShowWindow(SDL_VideoDevice *_this, SDL_Window *window)
             // Set up the positioner for the popup and configure the constraints
             data->shell_surface.xdg.popup.xdg_positioner = xdg_wm_base_create_positioner(c->shell.xdg);
             xdg_positioner_set_anchor(data->shell_surface.xdg.popup.xdg_positioner, XDG_POSITIONER_ANCHOR_TOP_LEFT);
-            xdg_positioner_set_anchor_rect(data->shell_surface.xdg.popup.xdg_positioner, 0, 0, parent->internal->current.logical_width, parent->internal->current.logical_width);
+            xdg_positioner_set_anchor_rect(data->shell_surface.xdg.popup.xdg_positioner, 0, 0, parent->internal->current.logical_width, parent->internal->current.logical_height);
 
             const Uint32 constraint = window->constrain_popup ? (XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X | XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y) : XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE;
             xdg_positioner_set_constraint_adjustment(data->shell_surface.xdg.popup.xdg_positioner, constraint);