diff --git a/src/offline/cable_driver_init.F90 b/src/offline/cable_driver_init.F90
index 670b53b36..1ef44a615 100644
--- a/src/offline/cable_driver_init.F90
+++ b/src/offline/cable_driver_init.F90
@@ -90,11 +90,12 @@ MODULE cable_driver_init_mod
 
 CONTAINS
 
-  SUBROUTINE cable_driver_init(mpi_grp, trunk_sumbal)
+  SUBROUTINE cable_driver_init(mpi_grp, trunk_sumbal, NRRRR)
     !! Model initialisation routine for the CABLE offline driver.
     TYPE(mpi_grp_t), INTENT(IN) :: mpi_grp !! MPI group to use
     DOUBLE PRECISION, INTENT(OUT) :: trunk_sumbal
       !! Reference value for quasi-bitwise reproducibility checks.
+    INTEGER, INTENT(OUT) :: NRRRR !! Number of repeated spin-up cycles
 
     INTEGER :: ioerror, unit
     CHARACTER(len=4) :: cRank ! for worker-logfiles
@@ -184,6 +185,8 @@ SUBROUTINE cable_driver_init(mpi_grp, trunk_sumbal)
       LALLOC = 3 ! for use with POP: makes use of pipe model to partition between stem and leaf
     END IF
 
+    NRRRR = MERGE(MAX(cable_user%CASA_NREP,1), 1, CASAONLY)
+
   END SUBROUTINE cable_driver_init
 
 END MODULE cable_driver_init_mod
diff --git a/src/offline/cable_offline_driver.F90 b/src/offline/cable_offline_driver.F90
index e098d889e..4220b0db5 100644
--- a/src/offline/cable_offline_driver.F90
+++ b/src/offline/cable_offline_driver.F90
@@ -14,14 +14,15 @@ PROGRAM cable_offline_driver
   TYPE(mpi_grp_t) :: mpi_grp
   DOUBLE PRECISION :: trunk_sumbal
     !! Reference value for quasi-bitwise reproducibility checks.
+  INTEGER :: NRRRR !! Number of repeated spin-up cycles
 
   call mpi_mod_init()
   mpi_grp = mpi_grp_t()
 
-  CALL cable_driver_init(mpi_grp, trunk_sumbal)
+  CALL cable_driver_init(mpi_grp, trunk_sumbal, NRRRR)
 
   IF (mpi_grp%size == 1) THEN
-    CALL serialdrv(trunk_sumbal)
+    CALL serialdrv(trunk_sumbal, NRRRR)
   ELSE
     IF (mpi_grp%rank == 0) THEN
       CALL mpidrv_master(mpi_grp%comm, trunk_sumbal)
diff --git a/src/offline/cable_serial.F90 b/src/offline/cable_serial.F90
index 9f84b7295..b1310b9dc 100644
--- a/src/offline/cable_serial.F90
+++ b/src/offline/cable_serial.F90
@@ -153,10 +153,11 @@ MODULE cable_serial
 
 CONTAINS
 
-SUBROUTINE serialdrv(trunk_sumbal)
+SUBROUTINE serialdrv(trunk_sumbal, NRRRR)
   !! Offline serial driver.
   DOUBLE PRECISION, INTENT(IN) :: trunk_sumbal
     !! Reference value for quasi-bitwise reproducibility checks.
+  INTEGER, INTENT(IN) :: NRRRR !! Number of repeated spin-up cycles
 
   ! timing variables
   INTEGER, PARAMETER ::  kstart = 1   ! start of simulation
@@ -176,7 +177,6 @@ SUBROUTINE serialdrv(trunk_sumbal)
        YYYY,       &  !
        RYEAR,      &  !
        RRRR,       &  !
-       NRRRR,      &  !
        ctime,      &  ! day count for casacnp
        LOY, &         ! days in year
        count_sum_casa ! number of time steps over which casa pools &
@@ -302,7 +302,6 @@ SUBROUTINE serialdrv(trunk_sumbal)
      cable_user%MetType = 'gswp'
   ENDIF
 
-  NRRRR = MERGE(MAX(CABLE_USER%CASA_NREP,1), 1, CASAONLY)
   ! casa time count
   ctime = 0