diff --git a/libnymea/interfaces/conductivitysensor.json b/libnymea/interfaces/conductivitysensor.json
index e0007315..088099fa 100644
--- a/libnymea/interfaces/conductivitysensor.json
+++ b/libnymea/interfaces/conductivitysensor.json
@@ -3,7 +3,8 @@
     "states": [
         {
             "name": "conductivity",
-            "type": "double"
+            "type": "double",
+            "unit": "UnitMicroSiemensPerCentimeter"
         }
     ]
 }
diff --git a/libnymea/interfaces/lightsensor.json b/libnymea/interfaces/lightsensor.json
index c05fcef8..146b149a 100644
--- a/libnymea/interfaces/lightsensor.json
+++ b/libnymea/interfaces/lightsensor.json
@@ -3,7 +3,8 @@
     "states": [
         {
             "name": "lightIntensity",
-            "type": "double"
+            "type": "double",
+            "unit": "Lux"
         }
     ]
 }