diff --git a/src/analysers/info.cpp b/src/analysers/info.cpp
index 65eccc5b..d2854002 100644
--- a/src/analysers/info.cpp
+++ b/src/analysers/info.cpp
@@ -97,6 +97,7 @@ namespace Info {
       for(JSON::ObjIter trackIt = tracks.ObjBegin(); trackIt != tracks.ObjEnd(); trackIt++){
         fileSpecs["tracks"][trackIt->first].removeMember("fragments");
         fileSpecs["tracks"][trackIt->first].removeMember("keys");
+        fileSpecs["tracks"][trackIt->first].removeMember("keysizes");
         fileSpecs["tracks"][trackIt->first].removeMember("parts");
       }
     }