diff --git a/openbox/screen.c b/openbox/screen.c
index 9b6a977e..dddb788f 100644
--- a/openbox/screen.c
+++ b/openbox/screen.c
@@ -642,10 +642,10 @@ void screen_desktop_popup(guint d, gboolean show)
         pager_popup_position(desktop_cycle_popup, CenterGravity,
                              a->x + a->width / 2, a->y + a->height / 2);
         pager_popup_icon_size_multiplier(desktop_cycle_popup,
-                                         screen_desktop_layout.columns /
-                                         screen_desktop_layout.rows / 2,
-                                         screen_desktop_layout.rows/
-                                         screen_desktop_layout.columns / 2);
+                                         (screen_desktop_layout.columns /
+                                          screen_desktop_layout.rows) / 2,
+                                         (screen_desktop_layout.rows/
+                                          screen_desktop_layout.columns) / 2);
         pager_popup_max_width(desktop_cycle_popup,
                               MAX(a->width/3, POPUP_WIDTH));
         pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);