diff --git a/lib/ocpp/v201/device_model.cpp b/lib/ocpp/v201/device_model.cpp
index f10bb5c05..e5846131a 100644
--- a/lib/ocpp/v201/device_model.cpp
+++ b/lib/ocpp/v201/device_model.cpp
@@ -318,7 +318,7 @@ void DeviceModel::check_integrity(const std::map<int32_t, int32_t>& evse_connect
     try {
         this->storage->check_integrity();
 
-        int32_t nr_evse_components;
+        int32_t nr_evse_components = 0;
         std::map<int32_t, int32_t> evse_id_nr_connector_components;
 
         for (const auto& [component, variable_map] : this->device_model) {