diff --git a/data/dmx_start_address.json b/data/dmx_start_address.json
index 5acf044..2fb1caa 100644
--- a/data/dmx_start_address.json
+++ b/data/dmx_start_address.json
@@ -12,7 +12,7 @@
         "type": "uint16",
         "ranges": [
           {
-            "lower": 0,
+            "lower": 1,
             "upper": 512
           }
         ],
@@ -33,7 +33,7 @@
         "type": "uint16",
         "ranges": [
           {
-            "lower": 0,
+            "lower": 1,
             "upper": 512
           }
         ],