diff --git a/test/test_files/abl_amd_wenoz/abl_amd_wenoz.inp b/test/test_files/abl_amd_wenoz/abl_amd_wenoz.inp
index dc58bf4cbc..2f5a00a8a5 100644
--- a/test/test_files/abl_amd_wenoz/abl_amd_wenoz.inp
+++ b/test/test_files/abl_amd_wenoz/abl_amd_wenoz.inp
@@ -42,6 +42,8 @@ incflo.velocity = 6.128355544951824  5.142300877492314 0.0
 
 ABL.temperature_heights = 650.0 750.0 1000.0
 ABL.temperature_values = 300.0 308.0 308.75
+ABL.perturb_temperature = true
+ABL.perturb_velocity = true
 
 ABL.kappa = .41
 ABL.surface_roughness_z0 = 0.15