diff --git a/srcF/sfx_surface.f90 b/srcF/sfx_surface.f90
index 6a0c08e87ed9187762a0e9d37beef7f3c5fa93da..5a92cd6aaf3c9c74667abb460dcb800506e7a903 100644
--- a/srcF/sfx_surface.f90
+++ b/srcF/sfx_surface.f90
@@ -92,15 +92,15 @@ module sfx_surface
     integer, public, parameter :: ocean_z0m_id = z0m_ch     !< ocean surface
     integer, public, parameter :: land_z0m_id = z0m_map_id        !< land surface
     integer, public, parameter :: lake_z0m_id = z0m_fe        !< lake surface
-    integer, public, parameter :: snow_z0m_id = z0m_ow        !< snow covered surface    
+    integer, public, parameter :: snow_z0m_id = z0m_map_id        !< snow covered surface    
     integer, public, parameter :: forest_z0m_id = z0m_map_id     !< forest csurface  
     integer, public, parameter :: usersf_z0m_id = z0m_fe       !< user surface  
 
-    integer, public, parameter :: ocean_z0t_id = z0t_kl_water     !< ocean surface
-    integer, public, parameter :: land_z0t_id = z0t_mix        !< land surface
-    integer, public, parameter :: lake_z0t_id = z0t_ca        !< lake surface
-    integer, public, parameter :: snow_z0t_id = z0t_zi         !< snow covered surface    
-    integer, public, parameter :: forest_z0t_id = z0t_ot      !< forest csurface  
+    integer, public, parameter :: ocean_z0t_id = z0t_ca     !< ocean surface
+    integer, public, parameter :: land_z0t_id = z0t_kl_land        !< 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 :: usersf_z0t_id = z0t_ca      !< user surface  
     
     ! --------------------------------------------------------------------------------