diff --git a/src/decentralizepy/sharing/PartialModel.py b/src/decentralizepy/sharing/PartialModel.py
index ac175e337e7c1d9c98dbf35775adec494ba2c55f..c15c34a3c7261b56172ff93a126ef97c5a894102 100644
--- a/src/decentralizepy/sharing/PartialModel.py
+++ b/src/decentralizepy/sharing/PartialModel.py
@@ -98,6 +98,8 @@ class PartialModel(Sharing):
 
             logging.info("Converted dictionary to json")
 
+            self.communication_round += 1
+
             return m
 
     def deserialized_model(self, m):