diff --git a/src/icon.c b/src/icon.c
index c77e131..ff0024e 100644
--- a/src/icon.c
+++ b/src/icon.c
@@ -817,8 +817,11 @@ static void set_dockapp_in_icon(WIcon *icon)
 	 * owner's main client_win instead so its surface appears in the tile. */
 	{
 		WNativeWindow reparent_win = (WNativeWindow)icon->icon_win;
-		if (icon->owner && icon->owner->client_win)
+		if (icon->owner && icon->owner->client_win) {
 			reparent_win = icon->owner->client_win;
+			/* Resize the toplevel surface to fit the dock tile */
+			wm_backend->window_resize(reparent_win, w, h);
+		}
 		wm_backend->client_reparent(reparent_win, icon->core->window,
 				(wPreferences.icon_size - w) / 2,
 				(wPreferences.icon_size - h) / 2);