diff --git a/libnymea/interfaces/evcharger.json b/libnymea/interfaces/evcharger.json
index 8de3ba15..ed02972e 100644
--- a/libnymea/interfaces/evcharger.json
+++ b/libnymea/interfaces/evcharger.json
@@ -1,6 +1,6 @@
 {
     "description": "An EV-charger. Extends the power interface for charging/not charging an electric vehicle. Supports regulation of the max. charging current in addition to be powered on or off.",
-    "extends": "power",
+    "extends": ["smartmeterconsumer", "power"],
     "states": [
         {
             "name": "maxChargingCurrent",