diff --git a/diag/pbldia_new_sfx.f90 b/diag/pbldia_new_sfx.f90
index e11e3b51b66605bea31c930d52d35349c49b30c7..d30f498f3e08366ae0e8d495a3b1d4e43255fb29 100755
--- a/diag/pbldia_new_sfx.f90
+++ b/diag/pbldia_new_sfx.f90
@@ -1,7 +1,12 @@
 module pbldia_new_sfx
 
 
-implicit none 
+implicit none
+private
+
+public :: pbldia_new_sheba,pbldia_new_sheba_noit,&
+pbldia_new_most,pbldia_new_esm
+
 real,parameter,private::kappa=0.4,R=287.,appa=0.287
 
 contains