1 files changed, 13 insertions, 2 deletions
diff --git a/lib/document-to-html.js b/lib/document-to-html.js
index 220ae2b..264f7c9 100644
--- a/lib/document-to-html.js
+++ b/lib/document-to-html.js
@@ -122,8 +122,8 @@ function DocumentConversion(options) {
         if (run.verticalAlignment === documents.verticalAlignment.subscript) {
             runHtml.open(htmlPaths.element("sub"));
         }
-        if (run.isUnderline && options.convertUnderline) {
-            options.convertUnderline(runHtml);
+        if (run.isUnderline) {
+            convertUnderline(runHtml);
         }
         convertElements(run.children, runHtml, messages, function(err) {
             if (err) {
@@ -136,6 +136,17 @@ function DocumentConversion(options) {
         });
     }
     
+    function convertUnderline(runHtml) {
+        (options.convertUnderline || defaultConvertUnderline)(runHtml);
+    }
+    
+    function defaultConvertUnderline(runHtml) {
+        var style = findStyle({type: "underline"});
+        if (style) {
+            runHtml.appendPath(style.to);
+        }
+    }
+    
     function findStyle(element) {
         for (var i = 0; i < styleMap.length; i++) {
             if (styleMap[i].from.matches(element)) {