diff --git a/Event/ByteStreamCnvSvcLegacy/CMakeLists.txt b/Event/ByteStreamCnvSvcLegacy/CMakeLists.txt
index c8b9ca828328602737a2cea56e2a8e2d135941be..7561b31f5bf11f6058e4a27abaf0cd59346b53ac 100644
--- a/Event/ByteStreamCnvSvcLegacy/CMakeLists.txt
+++ b/Event/ByteStreamCnvSvcLegacy/CMakeLists.txt
@@ -1,4 +1,4 @@
-# $Id: CMakeLists.txt 731777 2016-03-23 09:15:28Z krasznaa $
+# $Id: CMakeLists.txt 756859 2016-06-22 10:53:03Z krasznaa $
 ################################################################################
 # Package: ByteStreamCnvSvcLegacy
 ################################################################################
@@ -7,7 +7,7 @@
 atlas_subdir( ByteStreamCnvSvcLegacy )
 
 # External dependencies:
-find_package( Boost )
+find_package( Boost COMPONENTS system )
 find_package( UUID )
 find_package( tdaq-common COMPONENTS EventStorage eformat eformat_write ers 
    RawFileName )
diff --git a/Event/ByteStreamCnvSvcLegacy/Changelog b/Event/ByteStreamCnvSvcLegacy/Changelog
index 282e8eca5345c7ea6c584b8d046f040e8f86d7da..5374fcfe2221771288609c2f8e00d9590f416d3a 100644
--- a/Event/ByteStreamCnvSvcLegacy/Changelog
+++ b/Event/ByteStreamCnvSvcLegacy/Changelog
@@ -1,3 +1,8 @@
+2016-06-22 Attila Krasznahorkay <Attila.Krasznahorkay@cern.ch>
+	* Explicitly linking the library against boost_system with
+	  CMake. Since tdaq-common pulls in that dependency.
+	* Tagging as ByteStreamCnvSvcLegacy-00-00-04
+
 2016-03-24 Andy Salnikov <salnikov@slac.stanford.edu>
 	* Fix for compilation warning in v5_Guid.cxx
 	* Tagging as ByteStreamCnvSvcLegacy-00-00-03
diff --git a/Event/ByteStreamCnvSvcLegacy/cmt/requirements b/Event/ByteStreamCnvSvcLegacy/cmt/requirements
index 09030ba5ebbe04d6166540829094c1f627b0f1be..eb06fccca4c031ec1a476249efc29d58abee4aaf 100644
--- a/Event/ByteStreamCnvSvcLegacy/cmt/requirements
+++ b/Event/ByteStreamCnvSvcLegacy/cmt/requirements
@@ -15,3 +15,4 @@ apply_pattern installed_library
 
 private
 use uuid                  *               LCG_Interfaces
+