diff --git a/src/mpi_collective_pass.cpp b/src/mpi_collective_pass.cpp
index fb436bdee0d83ab1bd53fb518bd2def2f7ea779c..dcb23d204bed3eef7b0bdabdd14504d1e8e3f22d 100644
--- a/src/mpi_collective_pass.cpp
+++ b/src/mpi_collective_pass.cpp
@@ -85,10 +85,10 @@ unsigned int pass_mpi_collective::execute(function *fun)
 	calc_dom_data();
 
 	label_collec(fun);
-	//label_dom(fun);
-	//label_post_dom(fun);
-	//label_dom_front(fun);
-	//label_post_dom_front(fun);
+	label_dom(fun);
+	label_post_dom(fun);
+	label_dom_front(fun);
+	label_post_dom_front(fun);
 
 	mark_edge(fun);
 	rank_collective(fun);