diff --git a/writerfilter/source/dmapper/PropertyMap.cxx b/writerfilter/source/dmapper/PropertyMap.cxx
index 629e1548ef19..8aec430bc963 100644
--- a/writerfilter/source/dmapper/PropertyMap.cxx
+++ b/writerfilter/source/dmapper/PropertyMap.cxx
@@ -1266,7 +1266,8 @@ StyleSheetPropertyMap::StyleSheetPropertyMap() :
     mbCT_TblWidth_typeSet( false ),
     mnListId( -1 ),
     mnListLevel( -1 ),
-    mnOutlineLevel( -1 )
+    mnOutlineLevel( -1 ),
+    mnNumId( -1 )
 {
 }