diff --git a/lib/ace/layer/font_metrics.js b/lib/ace/layer/font_metrics.js
index a65e100d..89985117 100644
--- a/lib/ace/layer/font_metrics.js
+++ b/lib/ace/layer/font_metrics.js
@@ -85,7 +85,7 @@ var FontMetrics = exports.FontMetrics = function(parentEl, interval) {
         style.visibility = "hidden";
         style.position = "fixed";
         style.whiteSpace = "pre";
-        style.font = "inherit";
+        style['font-family'] = style['font-style'] = style['font-weight'] = 'inherit';
         style.overflow = isRoot ? "hidden" : "visible";
     };