diff --git a/examples/mpi/wscript b/examples/mpi/wscript
index d7c2c3fbe..af922eb40 100644
--- a/examples/mpi/wscript
+++ b/examples/mpi/wscript
@@ -2,13 +2,13 @@
 
 def build(bld):
     obj = bld.create_ns3_program('simple-distributed',
-                                 ['point-to-point', 'internet'])
+                                 ['point-to-point', 'internet', 'nix-vector'])
     obj.source = 'simple-distributed.cc'
 
     obj = bld.create_ns3_program('third-distributed',
-                                 ['point-to-point', 'internet', 'mobility', 'wifi'])
+                                 ['point-to-point', 'internet', 'mobility', 'wifi', 'csma', 'on-off'])
     obj.source = 'third-distributed.cc'
 
     obj = bld.create_ns3_program('nms-p2p-nix-distributed',
-                                 ['point-to-point', 'internet', 'applications'])
+                                 ['point-to-point', 'internet', 'nix-vector', 'applications'])
     obj.source = 'nms-p2p-nix-distributed.cc'