diff --git a/src/processing_mod.F90 b/src/processing_mod.F90
index c7e8dbee861b992a7d83b507a7f4949398075a69..3046ad30b5f7a4119a7b926c9bb1a930563fe711 100644
--- a/src/processing_mod.F90
+++ b/src/processing_mod.F90
@@ -191,7 +191,7 @@ CONTAINS
          ENDDO
          ENDDO
       ELSE
-         interp_napj(:,:,:,:,:,1:local_nz) = nadiab_moments(:,:,:,:,:,1:local_nz)
+         interp_napj(:,:,:,:,:,1:local_nz) = nadiab_moments(:,:,:,:,:,(1+ngz/2):(local_nz+ngz/2))
       ENDIF
    END SUBROUTINE compute_interp_z