diff --git a/pina/trainer.py b/pina/trainer.py
index 8e1d95110..e92928d1e 100644
--- a/pina/trainer.py
+++ b/pina/trainer.py
@@ -330,7 +330,7 @@ def _check_consistency_and_set_defaults(
         else:
             pin_memory = False
         if num_workers is not None:
-            check_consistency(pin_memory, int)
+            check_consistency(num_workers, int)
         else:
             num_workers = 0
         if shuffle is not None: