diff --git a/src/Base/DocumentReader.cpp b/src/Base/DocumentReader.cpp
index 4160b2e6a0..42b1ed7a03 100644
--- a/src/Base/DocumentReader.cpp
+++ b/src/Base/DocumentReader.cpp
@@ -39,6 +39,10 @@
 #   include <xercesc/parsers/XercesDOMParser.hpp>
 #endif
 
+#ifdef _MSC_VER
+# define strdup _strdup
+#endif
+
 XERCES_CPP_NAMESPACE_USE
 
 //using namespace std;