diff --git a/fastlib/u/gmravi/regression/regression.h b/fastlib/u/gmravi/regression/regression.h
index 10195e7f30..ddb6fac4fe 100644
--- a/fastlib/u/gmravi/regression/regression.h
+++ b/fastlib/u/gmravi/regression/regression.h
@@ -920,6 +920,7 @@ template < typename TKernel > class FastKde{
 
     printf("the refernece file is ..\n");
     rset_.PrintDebug();
+    
     fx_timer_start (NULL, "tree_d");
     rroot_ = tree::MakeKdTreeMidpoint < Tree > (rset_, leaflen, NULL, &new_from_old_r_);
     qroot_=tree::MakeKdTreeMidpoint < Tree > (qset_, leaflen, NULL, NULL);