diff --git a/torchrl/modules/distributions/discrete.py b/torchrl/modules/distributions/discrete.py
index bfb7bc48f3c..d2d225ed3db 100644
--- a/torchrl/modules/distributions/discrete.py
+++ b/torchrl/modules/distributions/discrete.py
@@ -319,6 +319,10 @@ def _mask_logits(
             logits.masked_fill_(padding_mask, neg_inf)
         return logits
 
+    @property
+    def deterministic_sample(self):
+        return self.mode
+
 
 class MaskedOneHotCategorical(MaskedCategorical):
     """MaskedCategorical distribution.