diff --git a/src/support/FileName.cpp b/src/support/FileName.cpp
index a1ca026c63..5c31ee8373 100644
--- a/src/support/FileName.cpp
+++ b/src/support/FileName.cpp
@@ -67,6 +67,8 @@ namespace fs = boost::filesystem;
 #if defined (BOOST_WINDOWS)
 # define WIN32_LEAN_AND_MEAN
 # include <windows.h>
+# undef min
+# undef max
 #endif