1 files changed, 2 insertions, 2 deletions
diff --git a/lib/parse/progress.js b/lib/parse/progress.js
index 8cf7605..0abdf8d 100644
--- a/lib/parse/progress.js
+++ b/lib/parse/progress.js
@@ -12,7 +12,7 @@ var calculProgress = function(navigation, current) {
         return nav;
     })
     .sortBy(function(nav) {
-        return nav.level;
+        return parseFloat(nav.level);
     })
     .map(function(nav, i) {
         // Calcul percent
@@ -27,7 +27,7 @@ var calculProgress = function(navigation, current) {
         } else if (done) {
             prevPercent = nav.percent;
         }
-        
+
         return nav;
     })
     .value();