diff --git a/modules/demux/dash/mpd/IsoffMainParser.cpp b/modules/demux/dash/mpd/IsoffMainParser.cpp
index e8e25f5490..53fbb7af0d 100644
--- a/modules/demux/dash/mpd/IsoffMainParser.cpp
+++ b/modules/demux/dash/mpd/IsoffMainParser.cpp
@@ -346,7 +346,7 @@ void    IsoffMainParser::parseAdaptationSets  (MPD *mpd, Node *periodNode, BaseP
 
 #ifdef ADAPTATIVE_ADVANCED_DEBUG
         if(adaptationSet->description.empty())
-            adaptationSet->description.Set(adaptationSet->getID().str());
+            adaptationSet->description = adaptationSet->getID().str();
 #endif
 
         if(!adaptationSet->getRepresentations().empty())