diff --git a/ChangeLog b/ChangeLog
index da238093c..3dc14d371 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2.4.2
   - Fix crash in redirect module (typo)
+  - Honor WS-Management 1.1.1 standard (line 739)
+    Disable multiple MessageID checks
 
 2.4.1
 - Build fixes
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index ea54e4484..0d46e0b96 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -10,7 +10,7 @@ INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR} ${CMAKE_BINA
 
 ADD_DEFINITIONS( -DPACKAGE_PLUGIN_DIR="\\\"${PACKAGE_PLUGIN_DIR}\\\"" )
 
-SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${XML_CFLAGS} -g" )
+SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${XML_CFLAGS} -g -DIGNORE_DUPLICATE_ID" )
 
 
 ########### wsman ###############