diff --git a/biogeochem/EDPhysiologyMod.F90 b/biogeochem/EDPhysiologyMod.F90
index 6d4aa312b8..26073ecd35 100644
--- a/biogeochem/EDPhysiologyMod.F90
+++ b/biogeochem/EDPhysiologyMod.F90
@@ -2248,7 +2248,7 @@ subroutine fragmentation_scaler( currentPatch, bc_in)
     !
     ! !LOCAL VARIABLES:
     logical  :: use_century_tfunc = .false.
-    logical  :: use_hlm_soil_scalar = .false. ! Use hlm input decomp fraction scalars
+    logical  :: use_hlm_soil_scalar = .true. ! Use hlm input decomp fraction scalars
     integer  :: j
     integer  :: ifp                          ! Index of a FATES Patch "ifp"
     real(r8) :: t_scalar                     ! temperature scalar