diff --git a/pytests/fast_tests/Slab_geometry/rd_slabH_in_w_h5.py b/pytests/fast_tests/Slab_geometry/rd_slabH_in_w_h5.py
index 7ef197d5..6c76686b 100644
--- a/pytests/fast_tests/Slab_geometry/rd_slabH_in_w_h5.py
+++ b/pytests/fast_tests/Slab_geometry/rd_slabH_in_w_h5.py
@@ -18,6 +18,7 @@
 import uedge
 from uedge import *
 
+bbb.override=1
 bbb.mhdgeo=-1
 bbb.isnion=1
 bbb.isupon=1
diff --git a/pytests/testscripts/uetests.py b/pytests/testscripts/uetests.py
index 250fac09..ab9b4861 100644
--- a/pytests/testscripts/uetests.py
+++ b/pytests/testscripts/uetests.py
@@ -36,6 +36,8 @@ def startup(case,ftol=1.e-9):
     """
     import uedge as ue
     im(case)
+    # Add manual override for using old models
+    ue.bbb.override = 1
     ue.bbb.ftol = ftol
     ue.bbb.exmain()