Avoid duplicating default level index

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/docx/numbering-xml.js b/lib/docx/numbering-xml.js
index c41477e..544ba52 100644
--- a/lib/docx/numbering-xml.js
+++ b/lib/docx/numbering-xml.js
@@ -91,8 +91,8 @@ function readAbstractNum(element) {
         }
     });
 
-    if (levels["0"] === undefined && levelWithoutIndex !== null) {
-        levels["0"] = levelWithoutIndex;
+    if (levelWithoutIndex !== null && levels[levelWithoutIndex.level] === undefined) {
+        levels[levelWithoutIndex.level] = levelWithoutIndex;
     }
 
     var numStyleLink = element.firstOrEmpty("w:numStyleLink").attributes["w:val"];