diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15255c5c754213dea8c44375f06185c9fe7f69f1..69a51114b73c06a975b4141b2f3f1d05767b8b88 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -513,11 +513,11 @@ ENDIF(OTB_USE_VISU_GUI)
 SET(OTB_IO_UTILITIES_DEPENDENT_LIBRARIES "gdal dxf tinyXML otbgeotiff otbxtiff otbossim otbossimBase otbossimElevation otbossimFont otbossimKBool otbossimMatrix otbossimPlugin otbossimProjectionImaging otbossimSupportData otbossimVec otbossimVpfUtil")
 
 # Add EXPAT library
-#IF( OTB_USE_EXTERNAL_EXPAT )
-#        SET(OTB_IO_UTILITIES_DEPENDENT_LIBRARIES  "${OTB_IO_UTILITIES_DEPENDENT_LIBRARIES} expat")
-#ELSE( OTB_USE_EXTERNAL_EXPAT  )
-#        SET(OTB_IO_UTILITIES_DEPENDENT_LIBRARIES  "${OTB_IO_UTILITIES_DEPENDENT_LIBRARIES} otbexpat")
-#ENDIF( OTB_USE_EXTERNAL_EXPAT )
+IF( OTB_USE_EXTERNAL_EXPAT )
+        SET(OTB_IO_UTILITIES_DEPENDENT_LIBRARIES  "${OTB_IO_UTILITIES_DEPENDENT_LIBRARIES} expat")
+ELSE( OTB_USE_EXTERNAL_EXPAT  )
+        SET(OTB_IO_UTILITIES_DEPENDENT_LIBRARIES  "${OTB_IO_UTILITIES_DEPENDENT_LIBRARIES} otbexpat")
+ENDIF( OTB_USE_EXTERNAL_EXPAT )
 
 
 # Add VISU libraries