diff --git a/test/test_mb_model_festim.py b/test/test_mb_model_festim.py
index 5f0e6e4..40e21bd 100644
--- a/test/test_mb_model_festim.py
+++ b/test/test_mb_model_festim.py
@@ -24,6 +24,7 @@ def test_mb_model(temp):
         final_time=50,
         folder=".",
     )
+    mb_model.settings.stepsize.initial_value = 1
 
     mb_model.initialise()
     mb_model.run()
@@ -51,6 +52,7 @@ def test_mb_model(temp):
         L=6e-3,
         folder=".",
     )
+    mb_model.settings.stepsize.initial_value = 1
 
     mb_model.initialise()
     mb_model.run()
@@ -79,6 +81,8 @@ def test_mb_model(temp):
         folder=".",
     )
 
+    mb_model.settings.stepsize.initial_value = 1
+
     mb_model.initialise()
     mb_model.run()