diff --git a/components/eam/src/physics/crm/dummy_modules/clubb_intr.F90 b/components/eam/src/physics/crm/dummy_modules/clubb_intr.F90
new file mode 100644
index 000000000000..d6729e33f6b3
--- /dev/null
+++ b/components/eam/src/physics/crm/dummy_modules/clubb_intr.F90
@@ -0,0 +1,31 @@
+module clubb_intr
+!-------------------------------------------------------------------------------
+! Dummy module to override src/physics/cam/clubb_intr.F90
+!-------------------------------------------------------------------------------
+use shr_kind_mod,  only: r8=>shr_kind_r8
+public :: clubb_implements_cnst
+public :: clubb_init_cnst
+public :: clubb_readnl
+contains
+!===============================================================================
+function clubb_implements_cnst(name)
+  ! Return true if specified constituent is implemented
+  character(len=*), intent(in) :: name ! constituent name
+  logical :: clubb_implements_cnst     ! return value
+  clubb_implements_cnst = .false.
+end function clubb_implements_cnst
+!===============================================================================
+subroutine clubb_init_cnst(name, q, gcid)
+  ! Initialize the state if clubb_do_adv
+  character(len=*), intent(in)  :: name     ! constituent name
+  real(r8),         intent(out) :: q(:,:)   ! mass mixing ratio (gcol, plev)
+  integer,          intent(in)  :: gcid(:)  ! global column id
+  return
+end subroutine clubb_init_cnst
+!===============================================================================
+subroutine clubb_readnl(nlfile)
+  character(len=*), intent(in) :: nlfile  ! filepath for file containing namelist input
+  return
+end subroutine clubb_readnl
+!===============================================================================
+end module clubb_intr
diff --git a/components/eam/src/physics/crm/physpkg.F90 b/components/eam/src/physics/crm/physpkg.F90
index 33fab14066d0..6ad53894f4e3 100644
--- a/components/eam/src/physics/crm/physpkg.F90
+++ b/components/eam/src/physics/crm/physpkg.F90
@@ -638,7 +638,7 @@ subroutine phys_init( phys_state, phys_tend, pbuf2d, cam_out )
   if (co2_transport()) call co2_init()
   call co2_diags_init(phys_state)
 
-  call gw_init()
+  call gw_init(pbuf2d)
 
   call rayleigh_friction_init()