diff --git a/libnymea/interfaces/colorlight.json b/libnymea/interfaces/colorlight.json
index 93f4b851..54a8fffc 100644
--- a/libnymea/interfaces/colorlight.json
+++ b/libnymea/interfaces/colorlight.json
@@ -3,7 +3,8 @@
     "states": [
         {
             "name": "color",
-            "type": "QColor"
+            "type": "QColor",
+            "writable": true
         }
     ]
 }
diff --git a/libnymea/interfaces/colortemperaturelight.json b/libnymea/interfaces/colortemperaturelight.json
index 05c23c11..8e3ec48f 100644
--- a/libnymea/interfaces/colortemperaturelight.json
+++ b/libnymea/interfaces/colortemperaturelight.json
@@ -5,7 +5,8 @@
             "name": "colorTemperature",
             "type": "int",
             "minimumValue": "any",
-            "maximumValue": "any"
+            "maximumValue": "any",
+            "writable": true
         }
     ]
 }