diff --git a/srcF/sfx_surface.f90 b/srcF/sfx_surface.f90
index 14a7fe7d2c80da45b6d051454555680a64596b7a..44633b10db4cbc7e94f5dee5aec4225b889ffe7f 100644
--- a/srcF/sfx_surface.f90
+++ b/srcF/sfx_surface.f90
@@ -108,10 +108,10 @@ module sfx_surface
     integer, public, parameter :: ocean_z0t_id = z0t_kl_water     !< ocean surface
     integer, public, parameter :: land_z0t_id = z0t_ot       !< land surface
     integer, public, parameter :: lake_z0t_id = z0t_kl_water        !< lake surface
-    integer, public, parameter :: snow_z0t_id = z0t_mix         !< snow covered surface    
-    integer, public, parameter :: forest_z0t_id = z0t_zi      !< forest csurface  
+    integer, public, parameter :: snow_z0t_id = z0t_kl_land         !< snow covered surface    
+    integer, public, parameter :: forest_z0t_id = z0t_ot      !< forest csurface  
     integer, public, parameter :: usersf_z0t_id = z0t_kl_water      !< user surface  
-    integer, public, parameter :: ice_z0t_id = z0t_kl_land     !< user surface  
+    integer, public, parameter :: ice_z0t_id = z0t_zi     !< user surface  
     
     ! --------------------------------------------------------------------------------
     real, parameter, private :: kappa = 0.40         !< von Karman constant [n/d]