diff --git a/mock-api/server.js b/mock-api/server.js
index dbf729670..daca04b2e 100644
--- a/mock-api/server.js
+++ b/mock-api/server.js
@@ -320,36 +320,36 @@ const emsesp_settings = {
 const emsesp_data = {
   devices: [
     {
-      id: 1,
-      type: 'Thermostat',
-      brand: '',
-      name: 'RC20/Moduline 300',
-      deviceid: 23,
-      productid: 77,
-      version: '03.03',
+      i: 1,
+      t: 'Thermostat',
+      b: '',
+      n: 'RC20/Moduline 300',
+      d: 23,
+      p: 77,
+      v: '03.03',
     },
     {
-      id: 2,
-      type: 'Boiler',
-      brand: 'Nefit',
-      name: 'GBx72/Trendline/Cerapur/Greenstar Si/27i',
-      deviceid: 8,
-      productid: 123,
-      version: '06.01',
+      i: 2,
+      t: 'Boiler',
+      b: 'Nefit',
+      n: 'GBx72/Trendline/Cerapur/Greenstar Si/27i',
+      d: 8,
+      p: 123,
+      v: '06.01',
     },
     {
-      id: 3,
-      type: 'Controller',
-      brand: '',
-      name: 'BC10',
-      deviceid: 9,
-      productid: 190,
-      version: '01.03',
+      i: 3,
+      t: 'Controller',
+      b: '',
+      n: 'BC10',
+      d: 9,
+      p: 190,
+      v: '01.03',
     },
   ],
   sensors: [
-    { no: 1, id: '28-233D-9497-0C03', temp: 25.7, offset: 1.2 },
-    { no: 2, id: '28-243D-7437-1E3A', temp: 26.1, offset: 0 },
+    { n: 1, i: '28-233D-9497-0C03', t: 25.7, o: 1.2 },
+    { n: 2, i: '28-243D-7437-1E3A', t: 26.1, o: 0 },
   ],
 }