diff --git a/domainlab/algos/trainers/fbopt_mu_controller.py b/domainlab/algos/trainers/fbopt_mu_controller.py
index 3193ae225..2429a3bd6 100644
--- a/domainlab/algos/trainers/fbopt_mu_controller.py
+++ b/domainlab/algos/trainers/fbopt_mu_controller.py
@@ -252,3 +252,6 @@ def update_setpoint(self, epo_reg_loss, epo_task_loss):
         update setpoint
         """
         return self.set_point_controller.observe(epo_reg_loss, epo_task_loss)
+
+    def __call__(self, epoch):
+        return self.mmu
diff --git a/domainlab/algos/trainers/train_fbopt_b.py b/domainlab/algos/trainers/train_fbopt_b.py
index a97875bc6..907990395 100644
--- a/domainlab/algos/trainers/train_fbopt_b.py
+++ b/domainlab/algos/trainers/train_fbopt_b.py
@@ -86,10 +86,12 @@ def before_tr(self):
         self.flag_setpoint_updated = False
         if self.aconf.force_feedforward:
             self.set_scheduler(scheduler=HyperSchedulerWarmup)
+            self.flag_update_hyper_per_epoch = True
+            self.hyper_scheduler.set_steps(total_steps=self.aconf.warmup)
         else:
             self.set_scheduler(scheduler=HyperSchedulerFeedback)
 
-        self.set_model_with_mu()  # very small value
+        self.set_model_with_mu(0)  # very small value
         if self.aconf.tr_with_init_mu:
             self.tr_with_init_mu()
 
@@ -113,12 +115,13 @@ def tr_with_init_mu(self):
         """
         super().tr_epoch(-1)
 
-    def set_model_with_mu(self):
+    def set_model_with_mu(self, epoch):
         """
         set model multipliers
         """
-        self._model.hyper_update(epoch=None, fun_scheduler=HyperSetter(self.hyper_scheduler.mmu))
-
+        # self.model.hyper_update(epoch=None, fun_scheduler=HyperSetter(self.hyper_scheduler.mmu))
+        self.model.hyper_update(epoch=epoch, fun_scheduler=self.hyper_scheduler)
+    
     def tr_epoch(self, epoch, flag_info=False):
         """
         update multipliers only per epoch
@@ -129,7 +132,7 @@ def tr_epoch(self, epoch, flag_info=False):
             self.epo_loss_tr,
             self.list_str_multiplier_na,
             miter=epoch)
-        self.set_model_with_mu()
+        self.set_model_with_mu(epoch)
         if hasattr(self.model, "dict_multiplier"):
             logger = Logger.get_logger()
             logger.info(f"current multiplier: {self.model.dict_multiplier}")
diff --git a/domainlab/models/model_dann.py b/domainlab/models/model_dann.py
index 125a66acd..bf9a427e0 100644
--- a/domainlab/models/model_dann.py
+++ b/domainlab/models/model_dann.py
@@ -58,7 +58,7 @@ def __init__(self, list_str_y, list_d_tr,
             self.net_encoder = net_encoder
             self.net_classifier = net_classifier
             self.net_discriminator = net_discriminator
-                         
+
         @property
         def list_str_multiplier_na(self):
             return ["alpha"]
diff --git a/tests/test_fbopt.py b/tests/test_fbopt.py
index 3e100acd8..3add87cf6 100644
--- a/tests/test_fbopt.py
+++ b/tests/test_fbopt.py
@@ -33,3 +33,6 @@ def test_forcesetpoint_fbopt():
     args = "--te_d=0 --tr_d 1 2 --task=mnistcolor10 --bs=16 --aname=jigen --trainer=fbopt --nname=conv_bn_pool_2 --epos=10 --es=0 --mu_init=0.00001 --coeff_ma_setpoint=0.5 --coeff_ma_output_state=0.99 --force_setpoint_change_once"
     utils_test_algo(args)
 
+def test_forcefeedforward_fbopt():
+    args = "--te_d=0 --tr_d 1 2 --task=mnistcolor10 --bs=16 --aname=jigen --trainer=fbopt --nname=conv_bn_pool_2 --epos=2000 --epos_min=100 --es=1 --force_feedforward"
+    utils_test_algo(args)