diff --git a/lib/ice-coder.js b/lib/ice-coder.js
index f79387f..2c815d2 100644
--- a/lib/ice-coder.js
+++ b/lib/ice-coder.js
@@ -1452,7 +1452,7 @@ var ICEcoder = {
 	},
 
 	// Update the settings used when we make a change to them
-	useNewSettings: function(themeURL,codeAssist,lockedNav,visibleTabs,lineWrapping,indentWithTabs,indentSize,refreshFM) {
+	useNewSettings: function(themeURL,codeAssist,lockedNav,visibleTabs,fontSize,lineWrapping,indentWithTabs,indentSize,refreshFM) {
 		var styleNode, strCSS, cMCSS, activeLineBG;
 
 		// Add new stylesheet for selected theme
@@ -1478,6 +1478,7 @@ var ICEcoder = {
 
 		cMCSS = ICEcoder.content.contentWindow.document.styleSheets[3];
 		strCSS = cMCSS.rules ? 'rules' : 'cssRules';
+		cMCSS[strCSS][0].style['fontSize'] = fontSize;
 		cMCSS[strCSS][5].style['content'] = visibleTabs ? '"\\21e5"' : '" "';
 		cMCSS[strCSS][2].style.cssText = "background: " + activeLineBG + " !important";