diff --git a/qml/Content.qml b/qml/Content.qml
index b431838..79b636e 100644
--- a/qml/Content.qml
+++ b/qml/Content.qml
@@ -56,7 +56,9 @@ Item {
 
         function setDefaults() {
             // font name needs to be enclosed in single quotes
-            runJavaScript("document.body.style.fontFamily = \"'" + fontLabel.font.family + "'\";");
+            // and this is needed for El Capitain because ".SF NS Text" won't work
+            var defFont = ', system, -apple-system, ".SFNSDisplay-Regular", "Helvetica Neue", "Lucida Grande"';
+            runJavaScript("document.body.style.fontFamily = \"'" + fontLabel.font.family + "'" + defFont + "\";");
             runJavaScript("document.body.style.fontSize = '" + content.textFontSize + "pt';");
         }