diff --git a/tools/metric_providers/psu/energy/ac/powerspy2/provider.py b/tools/metric_providers/psu/energy/ac/powerspy2/provider.py
index dd424e784..bdb1f76de 100755
--- a/tools/metric_providers/psu/energy/ac/powerspy2/provider.py
+++ b/tools/metric_providers/psu/energy/ac/powerspy2/provider.py
@@ -15,6 +15,7 @@ def __init__(self, resolution):
         self._metric_name = 'psu_energy_powerspy2'
         self._metrics = {'time': int, 'value': int}
         self._resolution = resolution
+        self._unit = 'mW'
         super().__init__()
 
     def start_profiling(self, containers=None):