diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index e11a4efc3..0a94992ff 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -96,6 +96,10 @@ FIND_PACKAGE(LibXml2 REQUIRED)
 FIND_PACKAGE(PNG REQUIRED)
 FIND_PACKAGE(Jpeg)
 
+IF(WITH_STATIC)
+  SET(LIBXML2_DEFINITIONS ${LIBXML2_DEFINITIONS} -DLIBXML_STATIC)
+ENDIF(WITH_STATIC)
+
 NL_SETUP_BUILD()
 
 IF(WITH_MFC)