1 files changed, 7 insertions, 4 deletions
diff --git a/packages/gitbook/src/json/encodeSummary.js b/packages/gitbook/src/json/encodeSummary.js
index 0a9dbe7..8380379 100644
--- a/packages/gitbook/src/json/encodeSummary.js
+++ b/packages/gitbook/src/json/encodeSummary.js
@@ -4,16 +4,19 @@ const encodeSummaryPart = require('./encodeSummaryPart');
 /**
  * Encode a summary to JSON
  *
- * @param {Summary}
+ * @param {Summary} summary
+ * @param {URIIndex} urls
  * @return {Object}
  */
-function encodeSummary(summary) {
+function encodeSummary(summary, urls) {
     const file = summary.getFile();
     const parts = summary.getParts();
 
     return {
-        file: encodeFile(file),
-        parts: parts.map(encodeSummaryPart).toJS()
+        file: encodeFile(file, urls),
+        parts: parts
+            .map(part => encodeSummaryPart(part, urls))
+            .toJS()
     };
 }