diff --git a/docs/CHANGES.md b/docs/CHANGES.md
index 6dc055b..7c9aa3c 100644
--- a/docs/CHANGES.md
+++ b/docs/CHANGES.md
@@ -7,6 +7,7 @@
 - New meta initialisation options, `dosee:speed`, `dosee:graphic` and `dosee:audio`.
 - Renamed Hardware tab headers to improve their clarity.
 - Replaced two of the sample demos to better show off the variety of emulated hardware.
+- Fixed broken SVGA Graphic option, `dosmachine=svga`.
 
 ### v1.60
 
diff --git a/src/js/dosee-loader.js b/src/js/dosee-loader.js
index 5cd8475..8371c8e 100644
--- a/src/js/dosee-loader.js
+++ b/src/js/dosee-loader.js
@@ -271,8 +271,10 @@ window.Module = null;
       if (loadConfig === ``)
         throw Error(`graphicMode loadConfig argument cannot be empty`);
       const alerts = () => {
-        document.getElementById(`svgaEffectsMsg`).classList.add(`hidden`);
-        document.getElementById(`highResRequired`).classList.remove(`hidden`);
+        const s = document.getElementById(`svgaEffectsMsg`);
+        if (s !== null) s.classList.add(`hidden`);
+        const h = document.getElementById(`highResRequired`);
+        if (h !== null) h.classList.remove(`hidden`);
       };
       // emulation graphics or machine type
       const machine =