diff --git a/test_data/ac_343/appliance_data.json b/test_data/ac_343/appliance_data.json
index d7b58cd..d841947 100644
--- a/test_data/ac_343/appliance_data.json
+++ b/test_data/ac_343/appliance_data.json
@@ -76,7 +76,7 @@
     "eepromName": "no_eeprom",
     "applianceId": "xx-xx-xx-xx-xx-xx#1970-01-01T00:00:00.0Z",
     "serialNumber": "XXXX11X1111X1X1X1111",
-    "nickName": "X\x11xxxx",
+    "nickName": "Xx11xxxx",
     "enrollmentDate": "1970-01-01T00:00:00.0Z",
     "lastUpdate": "1970-01-01T00:00:00.0Z",
     "eepromId": 41,