diff --git a/columnphysics/icepack_orbital.F90 b/columnphysics/icepack_orbital.F90
index 13f9d4824..0ae5151cf 100644
--- a/columnphysics/icepack_orbital.F90
+++ b/columnphysics/icepack_orbital.F90
@@ -149,6 +149,7 @@ subroutine compute_coszen (tlat,          tlon,        &
 
 #ifdef CESMCOUPLED
       use shr_orb_mod, only: shr_orb_decl
+      use icepack_parameters, only: icepack_chkoptargflag
 #endif
 
       real (kind=dbl_kind), intent(in) :: &