diff --git a/src/python/setup.py b/src/python/setup.py
index 7613d4d38..560262d44 100644
--- a/src/python/setup.py
+++ b/src/python/setup.py
@@ -30,6 +30,7 @@ else:
         define_macros.append( ('LIN', 1) )
 
     libraries.append( 'abc' )
+    libraries.append( 'rt' )
     libraries.append( 'readline' )
     library_dirs.append('./../../')