diff --git a/tools/fv_diagnostics.F90 b/tools/fv_diagnostics.F90
index cbdac9c790..22b38cbb80 100644
--- a/tools/fv_diagnostics.F90
+++ b/tools/fv_diagnostics.F90
@@ -5572,7 +5572,7 @@ subroutine max_vorticity(is, ie, js, je, ng, km, zvir, sphum, delz, q, hydrostat
    real, intent(in):: grav, zvir, z_bot, z_top
    real, intent(in), dimension(is-ng:ie+ng,js-ng:je+ng,km):: pt
    real, intent(in), dimension(is:ie,js:je,km):: vort
-   real, intent(in):: delz(is-ng:ie+ng,js-ng:je+ng,km)
+   real, intent(in):: delz(is:ie,js:je,km)
    real, intent(in):: q(is-ng:ie+ng,js-ng:je+ng,km,*)
    real, intent(in):: phis(is-ng:ie+ng,js-ng:je+ng)
    real, intent(in):: peln(is:ie,km+1,js:je)
@@ -5630,7 +5630,7 @@ subroutine max_uh(is, ie, js, je, ng, km, zvir, sphum, uphmax,uphmin,   &
    real, intent(in):: grav, zvir, z_bot, z_top
    real, intent(in), dimension(is-ng:ie+ng,js-ng:je+ng,km):: pt, w
    real, intent(in), dimension(is:ie,js:je,km):: vort
-   real, intent(in):: delz(is-ng:ie+ng,js-ng:je+ng,km)
+   real, intent(in):: delz(is:ie,js:je,km)
    real, intent(in):: q(is-ng:ie+ng,js-ng:je+ng,km,*)
    real, intent(in):: phis(is-ng:ie+ng,js-ng:je+ng)
    real, intent(in):: peln(is:ie,km+1,js:je)