diff --git a/libnymea/interfaces/energystorage.json b/libnymea/interfaces/energystorage.json
index 0bb56c01..1670e974 100644
--- a/libnymea/interfaces/energystorage.json
+++ b/libnymea/interfaces/energystorage.json
@@ -11,7 +11,7 @@
         {
             "name": "capacity",
             "type": "double",
-            "unit": "WattHour"
+            "unit": "KiloWattHour"
         }
     ]
 }