diff --git a/unchanged/ecosys_forcing_mod.F90 b/unchanged/ecosys_forcing_mod.F90
index 073c2cf..9bdd264 100644
--- a/unchanged/ecosys_forcing_mod.F90
+++ b/unchanged/ecosys_forcing_mod.F90
@@ -1366,6 +1366,7 @@ subroutine forcing_init_post_processing(land_mask)
     integer :: iblock, k, n ! loop indices
 
     real (r8), allocatable, target :: feventflux(:,:,:,:) !  Fe from vents
+    real (r8), allocatable, target :: docfluidy(:,:,:,:) !  fluid from vents
 
     do iblock = 1, nblocks_clinic