diff --git a/src/OASIS/SURFEX/mode_read_netcdf_mercator.F90 b/src/OASIS/SURFEX/mode_read_netcdf_mercator.F90
index b8384b97f8c801aa24159fafa41fb698c84b8659..ad51a19ab58e80f12d7665714cf91ada168f0a3a 100644
--- a/src/OASIS/SURFEX/mode_read_netcdf_mercator.F90
+++ b/src/OASIS/SURFEX/mode_read_netcdf_mercator.F90
@@ -734,7 +734,7 @@ IF (ALLOCATED(XLAT_OUT)) THEN
   IINLA = NINLAT
   ALLOCATE(NINLOH(IINLA+4))
   CALL HORIBL_SURF_INIT(XILAT1,XILON1,XILAT2,XILON2,NINLAT,NINLON, &
-                        INO,XLON_OUT,XLAT_OUT,LINTERP,LGLOBLON,&
+                        INO,XLON_OUT,XLAT_OUT,LINTERP,.FALSE.,LGLOBLON,&
                         LGLOBN,LGLOBS,NO,NINLOH,XOLA,XOLO,XILO1H,&
                         XILO2H,XLA,XILATARRAY)
   !