diff --git main.c main.c
index 39cdbb4..9a80c4a 100644
--- main.c
+++ main.c
@@ -20,8 +20,8 @@
 // Define maximum window size. 
 // Standard values 800 and 480: suitable for RaspberryBi 7-inch screen
 
-#define MAX_DISPLAY_WIDTH  800
-#define MAX_DISPLAY_HEIGHT 480
+#define MAX_DISPLAY_WIDTH  1440
+#define MAX_DISPLAY_HEIGHT 900
 
 #include <gtk/gtk.h>
 #include <gdk/gdk.h>