diff --git a/setup.py b/setup.py
index c7ba99b1b..0660571bf 100644
--- a/setup.py
+++ b/setup.py
@@ -130,6 +130,13 @@ if not OS == "win":
         elif os.path.exists(os.path.join(sysconfig.get_config_vars()['LIBDIR'], \
             'libboost_thread.so')):
             boost_thread = "boost_thread"
+
+        if 'boost_filesystem' not in vars():
+            boost_filesystem = "boost_filesystem-mt"
+        if 'boost_date_time' not in vars():
+            boost_date_time = "boost_date_time-mt"
+        if 'boost_thread' not in vars():
+            boost_thread = "boost_thread-mt"
             
     elif OS == "freebsd":
         boost_filesystem = "boost_filesystem"