diff --git a/js/rpg_core/Graphics.js b/js/rpg_core/Graphics.js
index 9be6ec9d..25a19552 100644
--- a/js/rpg_core/Graphics.js
+++ b/js/rpg_core/Graphics.js
@@ -8,7 +8,7 @@ function Graphics() {
     throw new Error('This is a static class');
 }
 
-Graphics._cssFontLoading =  document.fonts && document.fonts.ready;
+Graphics._cssFontLoading =  document.fonts && document.fonts.ready && document.fonts.ready.then;
 Graphics._fontLoaded = null;
 Graphics._videoVolume = 1;