diff --git a/js/h5p.js b/js/h5p.js
index 6ba349f..5594f72 100644
--- a/js/h5p.js
+++ b/js/h5p.js
@@ -74,7 +74,7 @@ H5P.init = function (target) {
      * fullscreen, and the semi-fullscreen solution doesn't work when embedded.
      * @type {boolean}
      */
-    H5P.fullscreenSupported = !(H5P.isFramed && H5P.externalEmbed !== false) || !!(document.fullscreenEnabled || document.webkitFullscreenEnabled || document.mozFullScreenEnabled);
+    H5P.fullscreenSupported = !H5P.fullscreenDisabled && (!(H5P.isFramed && H5P.externalEmbed !== false) || !!(document.fullscreenEnabled || document.webkitFullscreenEnabled || document.mozFullScreenEnabled));
     // -We should consider document.msFullscreenEnabled when they get their
     // -element sizing corrected. Ref. https://connect.microsoft.com/IE/feedback/details/838286/ie-11-incorrectly-reports-dom-element-sizes-in-fullscreen-mode-when-fullscreened-element-is-within-an-iframe
     // Update: Seems to be no need as they've moved on to Webkit