diff --git a/libretroshare/src/ft/ftchunkmap.h b/libretroshare/src/ft/ftchunkmap.h
index dda771ddc..46a088c6f 100644
--- a/libretroshare/src/ft/ftchunkmap.h
+++ b/libretroshare/src/ft/ftchunkmap.h
@@ -121,8 +121,8 @@ class ChunkMap
 
       /// Decides how chunks are selected. 
       ///    STREAMING: the 1st chunk is always returned
-      ///       RANDOM: the beginning of a random interval is selected first. If two few intervals 
-      ///                exist, the largest one is randomly split into two.
+      ///       RANDOM: a uniformly random chunk is selected among available chunks for the current source.
+      ///              
 
 		void setStrategy(FileChunksInfo::ChunkStrategy s) { _strategy = s ; }
 		FileChunksInfo::ChunkStrategy getStrategy() const { return _strategy ; }
diff --git a/libretroshare/src/ft/ftcontroller.cc b/libretroshare/src/ft/ftcontroller.cc
index b64018900..41e12d856 100644
--- a/libretroshare/src/ft/ftcontroller.cc
+++ b/libretroshare/src/ft/ftcontroller.cc
@@ -98,7 +98,8 @@ ftController::ftController(CacheStrapper *cs, ftDataMultiplex *dm, std::string c
 	mDataplex(dm),
 	mTurtle(NULL), 
 	mFtActive(false),
-	mShareDownloadDir(true)
+	mShareDownloadDir(true),
+	mDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_RANDOM) 
 {
 	_max_active_downloads = 5 ; // default queue size
 	/* TODO */