diff --git a/edenn/models/edenn_plus.py b/edenn/models/edenn_plus.py
index d28f8d5e50f98bac88986cb6be218d754e086f36..162d91c3a2a59fe91ddc2e761f725268b953d3ec 100644
--- a/edenn/models/edenn_plus.py
+++ b/edenn/models/edenn_plus.py
@@ -415,7 +415,7 @@ class Udenn_npl(pl.LightningModule):
 
         t_error = self.loss(out, flow) # task loss
 
-        self.log('VAL_task_loss', t_error)
+        self.log('VAL_task_loss', t_error, sync_dist = True)
         # val step doesn't return anything