diff --git a/src/mo_namelist.F90 b/src/mo_namelist.F90
index 32522a3d10f4476fced6be9e6a3c39bebd68e924..914e81f041c2c6b13bbd7c1d672103e05abac2a9 100644
--- a/src/mo_namelist.F90
+++ b/src/mo_namelist.F90
@@ -37,6 +37,7 @@ MODULE mo_namelist
 
   PUBLIC :: open_nml_output
   PUBLIC :: close_nml_output
+  PUBLIC :: nnml
 
   !  return values of function 'position_nml':