diff --git a/src/ptbench/data/montgomery_shenzhen/fold_0.py b/src/ptbench/data/montgomery_shenzhen/fold_0.py
index 3d114d07d1c53f869ba710074b254944865cc4bc..91711d3863fc916ee55949b858f19c030d180bf1 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_0.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_0.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_0.json")
+datamodule = DataModule("fold-0.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_1.py b/src/ptbench/data/montgomery_shenzhen/fold_1.py
index cd3a8cb6d0be1c01e5dbb96d5cc02f724e15e7c4..173726955f475465cfcecd394e0d086d059d4968 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_1.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_1.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_1.json")
+datamodule = DataModule("fold-1.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_2.py b/src/ptbench/data/montgomery_shenzhen/fold_2.py
index 44eeda801884db9fcaa58be04de3068ff82325eb..91346efa569d498929371e6be75d205b30b22e88 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_2.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_2.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_2.json")
+datamodule = DataModule("fold-2.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_3.py b/src/ptbench/data/montgomery_shenzhen/fold_3.py
index f24fb314e30df9ab111ac69fd74a7f9a16cdad68..4156c3ee7b88aaedf705e05c028aa6ba47868e12 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_3.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_3.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_3.json")
+datamodule = DataModule("fold-3.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_4.py b/src/ptbench/data/montgomery_shenzhen/fold_4.py
index 58456d38e4804c2b68e8759f78e3bf9ea8d547f8..6d5b73d1b344993c55e16d8be6c7829ce9abce9e 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_4.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_4.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_4.json")
+datamodule = DataModule("fold-4.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_5.py b/src/ptbench/data/montgomery_shenzhen/fold_5.py
index 927967469ff479647670fe0d0978e4b72b965c33..27a7442dbdde02eea9cb95b9532818d44a48721a 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_5.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_5.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_5.json")
+datamodule = DataModule("fold-5.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_6.py b/src/ptbench/data/montgomery_shenzhen/fold_6.py
index 9566b7cfe5723c1da18d081a2442fb5d13a11d3e..1270cd58cbd36261bcee05b594ec746a181ad113 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_6.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_6.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_6.json")
+datamodule = DataModule("fold-6.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_7.py b/src/ptbench/data/montgomery_shenzhen/fold_7.py
index 25cbfe1b2eb0290098e6b54c3ca5a26076482e0c..e7b5a1c3aedde45ff94fcdcc22c550fb30f9fd27 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_7.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_7.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_7.json")
+datamodule = DataModule("fold-7.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_8.py b/src/ptbench/data/montgomery_shenzhen/fold_8.py
index fb5332ce050631a6fdf4b590fb4dd5a191fd90bc..1abbe7b20bb320a9fa2b217838c88243ea60d64b 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_8.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_8.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_8.json")
+datamodule = DataModule("fold-8.json")
diff --git a/src/ptbench/data/montgomery_shenzhen/fold_9.py b/src/ptbench/data/montgomery_shenzhen/fold_9.py
index d1626586ff8b263c097ee9b929eea40c42b4ae1e..71de470d58fa8cd673104ade245d66d3fd2b86a3 100644
--- a/src/ptbench/data/montgomery_shenzhen/fold_9.py
+++ b/src/ptbench/data/montgomery_shenzhen/fold_9.py
@@ -4,4 +4,4 @@
 
 from .datamodule import DataModule
 
-datamodule = DataModule("fold_9.json")
+datamodule = DataModule("fold-9.json")