diff --git a/bob/ip/binseg/configs/datasets/chasedb1/covd.py b/bob/ip/binseg/configs/datasets/chasedb1/covd.py
index 52f55ffd10ed0870d4d944ff5a11b1f1166dcf6e..970caf2fa82b75a9bf4bfd330e9071703b082b80 100644
--- a/bob/ip/binseg/configs/datasets/chasedb1/covd.py
+++ b/bob/ip/binseg/configs/datasets/chasedb1/covd.py
@@ -36,3 +36,4 @@ dataset["__train__"] = ConcatDataset(
 dataset["train"] = ConcatDataset(
     [_mtest["drive"], _mtest["stare"], _mtest["hrf"], _mtest["iostar"],]
 )
+dataset["__valid__"] = dataset["train"]
diff --git a/bob/ip/binseg/configs/datasets/drive/covd.py b/bob/ip/binseg/configs/datasets/drive/covd.py
index 2a97ac4cfaa6fb67ebd3407826836d7c390be307..5010b35dbc50c49a53891e5d012f514f49385022 100644
--- a/bob/ip/binseg/configs/datasets/drive/covd.py
+++ b/bob/ip/binseg/configs/datasets/drive/covd.py
@@ -36,3 +36,4 @@ dataset["__train__"] = ConcatDataset(
 dataset["train"] = ConcatDataset(
     [_mtest["stare"], _mtest["chasedb1"], _mtest["hrf"], _mtest["iostar"],]
 )
+dataset["__valid__"] = dataset["train"]
diff --git a/bob/ip/binseg/configs/datasets/hrf/covd.py b/bob/ip/binseg/configs/datasets/hrf/covd.py
index 21b1c36e2510196d99f52c20290b0eb6b16740a5..4eeb70936755f2d57860e6ef89910fb0cb09eaa2 100644
--- a/bob/ip/binseg/configs/datasets/hrf/covd.py
+++ b/bob/ip/binseg/configs/datasets/hrf/covd.py
@@ -22,15 +22,15 @@ from bob.ip.binseg.configs.datasets.hrf.mtest import dataset as _mtest
 from bob.ip.binseg.configs.datasets.hrf.default import dataset as _baseline
 
 dataset = dict(**_baseline)
-dataset["__train__"] = ConcatDataset([
-    _augment(_mtest["drive"], rotation_before=True),
-    _augment(_mtest["stare"], rotation_before=True),
-    _augment(_mtest["chasedb1"], rotation_before=True),
-    _augment(_mtest["iostar"], rotation_before=True),
-    ])
-dataset["train"] = ConcatDataset([
-    _mtest["drive"],
-    _mtest["stare"],
-    _mtest["chasedb1"],
-    _mtest["iostar"],
-    ])
+dataset["__train__"] = ConcatDataset(
+    [
+        _augment(_mtest["drive"], rotation_before=True),
+        _augment(_mtest["stare"], rotation_before=True),
+        _augment(_mtest["chasedb1"], rotation_before=True),
+        _augment(_mtest["iostar"], rotation_before=True),
+    ]
+)
+dataset["train"] = ConcatDataset(
+    [_mtest["drive"], _mtest["stare"], _mtest["chasedb1"], _mtest["iostar"],]
+)
+dataset["__valid__"] = dataset["train"]
diff --git a/bob/ip/binseg/configs/datasets/iostar/covd.py b/bob/ip/binseg/configs/datasets/iostar/covd.py
index c7096c300e1f5a07f3691f279c63846877c5d4fd..9b253e3a9be7a24101b8328540a96021e6c3cc05 100644
--- a/bob/ip/binseg/configs/datasets/iostar/covd.py
+++ b/bob/ip/binseg/configs/datasets/iostar/covd.py
@@ -22,15 +22,15 @@ from bob.ip.binseg.configs.datasets.iostar.vessel_mtest import dataset as _mtest
 from bob.ip.binseg.configs.datasets.iostar.vessel import dataset as _baseline
 
 dataset = dict(**_baseline)
-dataset["__train__"] = ConcatDataset([
-    _augment(_mtest["drive"], rotation_before=True),
-    _augment(_mtest["stare"], rotation_before=True),
-    _augment(_mtest["chasedb1"], rotation_before=True),
-    _augment(_mtest["hrf"], rotation_before=False),
-    ])
-dataset["train"] = ConcatDataset([
-    _mtest["drive"],
-    _mtest["stare"],
-    _mtest["chasedb1"],
-    _mtest["hrf"],
-    ])
+dataset["__train__"] = ConcatDataset(
+    [
+        _augment(_mtest["drive"], rotation_before=True),
+        _augment(_mtest["stare"], rotation_before=True),
+        _augment(_mtest["chasedb1"], rotation_before=True),
+        _augment(_mtest["hrf"], rotation_before=False),
+    ]
+)
+dataset["train"] = ConcatDataset(
+    [_mtest["drive"], _mtest["stare"], _mtest["chasedb1"], _mtest["hrf"],]
+)
+dataset["__valid__"] = dataset["train"]
diff --git a/bob/ip/binseg/configs/datasets/stare/covd.py b/bob/ip/binseg/configs/datasets/stare/covd.py
index 746680555309272a3c408e721010451c0c5abb74..ad1c2aa12da6ccc9e9c6a5e26f54818c77f6ccbf 100644
--- a/bob/ip/binseg/configs/datasets/stare/covd.py
+++ b/bob/ip/binseg/configs/datasets/stare/covd.py
@@ -36,3 +36,4 @@ dataset["__train__"] = ConcatDataset(
 dataset["train"] = ConcatDataset(
     [_mtest["drive"], _mtest["chasedb1"], _mtest["hrf"], _mtest["iostar"],]
 )
+dataset["__valid__"] = dataset["train"]