diff --git a/src/physics/cam7/micro_pumas_cam.F90 b/src/physics/cam7/micro_pumas_cam.F90
index 36795865f2..788bdd438c 100644
--- a/src/physics/cam7/micro_pumas_cam.F90
+++ b/src/physics/cam7/micro_pumas_cam.F90
@@ -1483,6 +1483,7 @@ subroutine micro_pumas_cam_tend(state, ptend, dtime, pbuf)
    use tropopause,      only: tropopause_find, TROP_ALG_CPP, TROP_ALG_NONE, NOTFOUND
    use wv_saturation,   only: qsat
    use infnan,          only: nan, assignment(=)
+   use perf_mod, only: t_startf, t_stopf
    use cam_abortutils,  only: handle_allocate_error
 
    use stochastic_tau_cam, only: ncd