diff --git a/examples/HEMS/forecasting.py b/examples/HEMS/forecasting.py
index e5766a38..0a42012d 100644
--- a/examples/HEMS/forecasting.py
+++ b/examples/HEMS/forecasting.py
@@ -79,6 +79,7 @@ async def generate_sensor_forecasts(
         "--forecast-frequency",
         f"PT{SIMULATION_STEP_HOURS}H",
         "--ensure-positive",
+        "True",
         "--model-save-dir",
         "forecaster_models",
     ]
diff --git a/src/flexmeasures_client/client.py b/src/flexmeasures_client/client.py
index 395fa109..f03a19db 100644
--- a/src/flexmeasures_client/client.py
+++ b/src/flexmeasures_client/client.py
@@ -746,7 +746,7 @@ async def get_assets(
             if Version(self.server_version) < Version("0.31.0"):
                 self.logger.warning(
                     "get_assets(): The 'root', 'depth' and 'fields' parameters require FlexMeasures server version 0.31.0 or above. "
-                    "These parameters will be ignored."
+                    f"The current server has version {self.server_version} and therefore these parameters will be ignored."
                 )
             if root and isinstance(root, int):
                 uri += f"&root={root}"