diff --git a/src/js/simplemde.js b/src/js/simplemde.js
index 016d693..d2c3bb0 100644
--- a/src/js/simplemde.js
+++ b/src/js/simplemde.js
@@ -224,6 +224,9 @@ function toggleFullScreen(editor) {
 	var sidebyside = cm.getWrapperElement().nextSibling;
 	if(/editor-preview-active-side/.test(sidebyside.className))
 		toggleSideBySide(editor);
+	// Add toggle fullscreen callback
+	if ('fullScreenCallback' in editor.options)
+		editor.options.fullScreenCallback(cm.getOption("fullScreen"));
 }
 
 
@@ -2025,4 +2028,4 @@ SimpleMDE.prototype.toTextArea = function() {
 	}
 };
 
-module.exports = SimpleMDE;
\ No newline at end of file
+module.exports = SimpleMDE;