diff --git a/CHANGELOG.md b/CHANGELOG.md
index b48892dfa..1e5559bd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # Change log
+
+- [#523](https://github.com/mobilityhouse/ocpp/issues/523) The serialisation of soc to SoC should not occur in camel case if it is existing at the beginning of a field
 - [#515](https://github.com/mobilityhouse/ocpp/issues/515) Update Readthedocs configuration
 - [#602](https://github.com/mobilityhouse/ocpp/issues/602) Correct v2g serialisation/deserialisation
 - [#557](https://github.com/mobilityhouse/ocpp/issues/557) OCPP 2.0.1 Wrong data type in CostUpdated total_cost
diff --git a/ocpp/charge_point.py b/ocpp/charge_point.py
index 79f52c7b8..314feb227 100644
--- a/ocpp/charge_point.py
+++ b/ocpp/charge_point.py
@@ -53,6 +53,7 @@ def snake_to_camel_case(data):
     if isinstance(data, dict):
         camel_case_dict = {}
         for key, value in data.items():
+            key = key.replace("soc_limit_reached", "SOCLimitReached")
             key = key.replace("soc", "SoC")
             key = key.replace("_v2x", "V2X").replace("_v2g", "V2G")
             components = key.split("_")
diff --git a/tests/test_charge_point.py b/tests/test_charge_point.py
index 88710e438..560961318 100644
--- a/tests/test_charge_point.py
+++ b/tests/test_charge_point.py
@@ -71,6 +71,7 @@ def test_camel_to_snake_case(test_input, expected):
     [
         ({"transaction_id": "74563478"}, {"transactionId": "74563478"}),
         ({"full_soc": 100}, {"fullSoC": 100}),
+        ({"soc_limit_reached": 200}, {"SOCLimitReached": 200}),
         ({"ev_min_v2x_energy_request": 200}, {"evMinV2XEnergyRequest": 200}),
         ({"v2x_charging_ctrlr": 200}, {"v2xChargingCtrlr": 200}),
         ({"sign_v2g_certificate": 200}, {"signV2GCertificate": 200}),