diff --git a/mammoth/tests/test_task_distribution_strategy.py b/mammoth/tests/test_task_distribution_strategy.py
index 612d9140..b966dabe 100644
--- a/mammoth/tests/test_task_distribution_strategy.py
+++ b/mammoth/tests/test_task_distribution_strategy.py
@@ -5,7 +5,7 @@
 
 
 def test_weights_all_zero():
-    opts = Namespace(data={
+    opts = Namespace(tasks={
         'a': {
             'weight': 0,
             'introduce_at_training_step': 0,
@@ -25,7 +25,7 @@ def test_weights_all_zero():
 
 
 def test_weights_all_postponed():
-    opts = Namespace(data={
+    opts = Namespace(tasks={
         'a': {
             'weight': 1,
             'introduce_at_training_step': 1,
@@ -45,7 +45,7 @@ def test_weights_all_postponed():
 
 
 def test_invalid_curriculum():
-    opts = Namespace(data={
+    opts = Namespace(tasks={
         # 'a' disabled by weight
         'a': {
             'weight': 0,
@@ -67,7 +67,7 @@ def test_invalid_curriculum():
 
 
 def test_sampling_task_distribution_strategy():
-    opts = Namespace(data={
+    opts = Namespace(tasks={
         # 'a' disabled by weight
         'a': {
             'weight': 0,
diff --git a/mammoth/tests/test_task_queue_manager.py b/mammoth/tests/test_task_queue_manager.py
index 17155080..d43990a6 100644
--- a/mammoth/tests/test_task_queue_manager.py
+++ b/mammoth/tests/test_task_queue_manager.py
@@ -15,7 +15,7 @@ def test_init_minimal():
         'gpu_ranks': [0, 1],
         'enc_layers': [1],
         'dec_layers': [1],
-        'data': {
+        'tasks': {
             'train_a-b': {'path_src': 'dummy', 'path_tgt': 'dummy', 'src_tgt': 'a-b'},
             'train_c-d': {'path_src': 'dummy', 'path_tgt': 'dummy', 'src_tgt': 'c-d'},
         }
@@ -52,7 +52,7 @@ def create_basic_task_queue_manager():
         # enc_sharing_group x is twice, on two devices 0:0 and 0:1
         # dec_sharing_group y is twice, on two devices 0:0 and 1:0
         # dec_sharing_group yy is twice, but only on a single device 0:1
-        'data': {
+        'tasks': {
             'train_0_a-b': {
                 'path_src': 'dummy',
                 'path_tgt': 'dummy',
@@ -183,7 +183,7 @@ def test_cpu_distributed_groups():
         'n_nodes': 1,
         'enc_layers': [1],
         'dec_layers': [1],
-        'data': {
+        'tasks': {
             'train_a-b': {
                 'path_src': 'dummy',
                 'path_tgt': 'dummy',
@@ -221,7 +221,7 @@ def test_distributed_groups_no_encoder_group():
         'dec_layers': [1],
         'gpu_ranks': [0, 1],
         # every language pair on its own gpu: no overlap
-        'data': {
+        'tasks': {
             'train_a-b': {
                 'path_src': 'dummy',
                 'path_tgt': 'dummy',