diff --git a/festim/problem.py b/festim/problem.py
index 582ea6385..da5510892 100644
--- a/festim/problem.py
+++ b/festim/problem.py
@@ -121,6 +121,7 @@ def run(self):
             # Solve steady-state
             self.solver.solve(self.u)
             self.post_processing()
+        self.progress_bar.close()
 
     def iterate(self):
         """Iterates the model for a given time step"""