diff --git a/src/qutip_qtrl/optimizer.py b/src/qutip_qtrl/optimizer.py
index 6119cf8..250852e 100644
--- a/src/qutip_qtrl/optimizer.py
+++ b/src/qutip_qtrl/optimizer.py
@@ -484,7 +484,7 @@ def apply_method_params(self, params=None):
                 val = params[key]
                 if hasattr(self, key):
                     setattr(self, key, val)
-                if hasattr(self.termination_conditions, key):
+                elif hasattr(self.termination_conditions, key):
                     setattr(self.termination_conditions, key, val)
                 else:
                     unused_params[key] = val