diff --git a/integration/utils/initial_timestep.H b/integration/utils/initial_timestep.H
index c53fa026f..a4b0bd878 100644
--- a/integration/utils/initial_timestep.H
+++ b/integration/utils/initial_timestep.H
@@ -89,7 +89,7 @@ amrex::Real initial_react_dt (BurnT& burn_state, IntT& int_state,
     // Save the final timestep, with a bias factor.
 
     amrex::Real dt = h / 2.0_rt;
-    dt = amrex::Clamp(h, hL, hU);
+    dt = amrex::Clamp(dt, hL, hU);
 
     dt = amrex::min(dt, integrator_rp::ode_max_dt);