diff --git a/lib/ace/mode/markdown.js b/lib/ace/mode/markdown.js
index 99f7bf38..7e353a06 100644
--- a/lib/ace/mode/markdown.js
+++ b/lib/ace/mode/markdown.js
@@ -65,7 +65,7 @@ oop.inherits(Mode, TextMode);
 (function() {
     this.getNextLineIndent = function(state, line, tab) {
         if (state == "listblock") {
-            var match = /^((?:.+)?)([-+*][ ]+)/.exec(line);
+            var match = /^((?:.+)?)(([-+*]|\d+\.)\s+)/.exec(line);
             if (match) {
                 return new Array(match[1].length + 1).join(" ") + match[2];
             } else {