diff --git a/dtrans/source/inc/DtObjFactory.hxx b/dtrans/source/inc/DtObjFactory.hxx
index 3c5cd2a60a0a..e196a498f070 100644
--- a/dtrans/source/inc/DtObjFactory.hxx
+++ b/dtrans/source/inc/DtObjFactory.hxx
@@ -22,6 +22,7 @@
 #define _DTOBJFACTORY_HXX_
 
 #include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
 
 #include <systools/win32/comtools.hxx>
 
diff --git a/dtrans/source/win32/dtobj/DataFmtTransl.hxx b/dtrans/source/win32/dtobj/DataFmtTransl.hxx
index f99afdf4cebd..c585bc265de5 100644
--- a/dtrans/source/win32/dtobj/DataFmtTransl.hxx
+++ b/dtrans/source/win32/dtobj/DataFmtTransl.hxx
@@ -23,6 +23,7 @@
 
 #include <com/sun/star/datatransfer/XDataFormatTranslator.hpp>
 #include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
 #include <sal/types.h>
 #include <rtl/ustring.hxx>
 
diff --git a/dtrans/source/win32/dtobj/FetcList.hxx b/dtrans/source/win32/dtobj/FetcList.hxx
index 474c2d0c37c3..e980130c00b6 100644
--- a/dtrans/source/win32/dtobj/FetcList.hxx
+++ b/dtrans/source/win32/dtobj/FetcList.hxx
@@ -23,6 +23,7 @@
 
 #include <sal/types.h>
 #include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
 #include "Fetc.hxx"
 
 #if defined _MSC_VER