diff --git a/drivers/hrldas/ConfigVarInTransferMod.F90 b/drivers/hrldas/ConfigVarInTransferMod.F90
index f71caa17..35998c0f 100644
--- a/drivers/hrldas/ConfigVarInTransferMod.F90
+++ b/drivers/hrldas/ConfigVarInTransferMod.F90
@@ -74,7 +74,7 @@ subroutine ConfigVarInTransfer(noahmp, NoahmpIO)
     noahmp%config%domain%GridIndexJ                  = NoahmpIO%J
     noahmp%config%domain%MainTimeStep                = NoahmpIO%DTBL
     noahmp%config%domain%SoilTimeStep                = NoahmpIO%DTBL * NoahmpIO%soil_update_steps
-    noahmp%config%domain%GridSize                    = NoahmpIO%DX
+    noahmp%config%domain%GridSize                    = sqrt(NoahmpIO%DX * NoahmpIO%DY)
     noahmp%config%domain%LandUseDataName             = NoahmpIO%LLANDUSE
     noahmp%config%domain%VegType                     = NoahmpIO%IVGTYP(I,J)
     noahmp%config%domain%CropType                    = NoahmpIO%CROPCAT(I,J)
diff --git a/drivers/lis/ConfigVarInTransferMod.F90 b/drivers/lis/ConfigVarInTransferMod.F90
index f71caa17..35998c0f 100644
--- a/drivers/lis/ConfigVarInTransferMod.F90
+++ b/drivers/lis/ConfigVarInTransferMod.F90
@@ -74,7 +74,7 @@ subroutine ConfigVarInTransfer(noahmp, NoahmpIO)
     noahmp%config%domain%GridIndexJ                  = NoahmpIO%J
     noahmp%config%domain%MainTimeStep                = NoahmpIO%DTBL
     noahmp%config%domain%SoilTimeStep                = NoahmpIO%DTBL * NoahmpIO%soil_update_steps
-    noahmp%config%domain%GridSize                    = NoahmpIO%DX
+    noahmp%config%domain%GridSize                    = sqrt(NoahmpIO%DX * NoahmpIO%DY)
     noahmp%config%domain%LandUseDataName             = NoahmpIO%LLANDUSE
     noahmp%config%domain%VegType                     = NoahmpIO%IVGTYP(I,J)
     noahmp%config%domain%CropType                    = NoahmpIO%CROPCAT(I,J)